Binary files /tmp/tmpkh6hg6xy/vRTD95p90d/r-cran-crul-1.3+dfsg/build/vignette.rds and /tmp/tmpkh6hg6xy/UldEckbj3J/r-cran-crul-1.4.0+dfsg/build/vignette.rds differ
diff -Nru r-cran-crul-1.3+dfsg/debian/changelog r-cran-crul-1.4.0+dfsg/debian/changelog
--- r-cran-crul-1.3+dfsg/debian/changelog	2022-09-15 07:38:45.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/debian/changelog	2023-06-12 17:34:36.000000000 +0000
@@ -1,3 +1,10 @@
+r-cran-crul (1.4.0+dfsg-1) unstable; urgency=medium
+
+  * New upstream version
+  * Standards-Version: 4.6.2 (routine-update)
+
+ -- Andreas Tille <tille@debian.org>  Mon, 12 Jun 2023 19:34:36 +0200
+
 r-cran-crul (1.3+dfsg-1) unstable; urgency=medium
 
   * New upstream version
diff -Nru r-cran-crul-1.3+dfsg/debian/control r-cran-crul-1.4.0+dfsg/debian/control
--- r-cran-crul-1.3+dfsg/debian/control	2022-09-15 07:38:45.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/debian/control	2023-06-12 17:34:36.000000000 +0000
@@ -13,7 +13,7 @@
                r-cran-httpcode,
                r-cran-jsonlite,
                r-cran-mime
-Standards-Version: 4.6.1
+Standards-Version: 4.6.2
 Vcs-Browser: https://salsa.debian.org/r-pkg-team/r-cran-crul
 Vcs-Git: https://salsa.debian.org/r-pkg-team/r-cran-crul.git
 Homepage: https://cran.r-project.org/package=crul
diff -Nru r-cran-crul-1.3+dfsg/DESCRIPTION r-cran-crul-1.4.0+dfsg/DESCRIPTION
--- r-cran-crul-1.3+dfsg/DESCRIPTION	2022-09-03 06:30:10.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/DESCRIPTION	2023-05-17 07:30:02.000000000 +0000
@@ -6,7 +6,7 @@
     The package name is a play on curl, the widely used command line tool
     for HTTP, and this package is built on top of the R package 'curl', an
     interface to 'libcurl' (<https://curl.se/libcurl/>).
-Version: 1.3
+Version: 1.4.0
 License: MIT + file LICENSE
 Authors@R: c(
     person("Scott", "Chamberlain", role = c("aut", "cre"),
@@ -24,14 +24,14 @@
 Suggests: testthat, roxygen2 (>= 7.1.1), fauxpas (>= 0.1.0), webmockr
         (>= 0.1.0), knitr, rmarkdown
 VignetteBuilder: knitr
-RoxygenNote: 7.2.1
+RoxygenNote: 7.2.3
 X-schema.org-applicationCategory: Web
 X-schema.org-keywords: http, https, API, web-services, curl, download,
         libcurl, async, mocking, caching
 X-schema.org-isPartOf: https://ropensci.org
 NeedsCompilation: no
-Packaged: 2022-09-03 05:09:14 UTC; sckott
+Packaged: 2023-05-13 02:57:08 UTC; sckott
 Author: Scott Chamberlain [aut, cre] (<https://orcid.org/0000-0003-1444-9135>)
 Maintainer: Scott Chamberlain <myrmecocystus@gmail.com>
 Repository: CRAN
-Date/Publication: 2022-09-03 06:30:10 UTC
+Date/Publication: 2023-05-17 07:30:02 UTC
diff -Nru r-cran-crul-1.3+dfsg/inst/doc/async.Rmd r-cran-crul-1.4.0+dfsg/inst/doc/async.Rmd
--- r-cran-crul-1.3+dfsg/inst/doc/async.Rmd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/inst/doc/async.Rmd	2023-05-10 21:56:03.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 3. async with crul
 author: Scott Chamberlain
-date: "2020-07-09"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{3. async with crul}
@@ -44,9 +44,9 @@
 ```r
 (cc <- Async$new(
   urls = c(
-    'https://httpbin.org/get?a=5',
-    'https://httpbin.org/get?a=5&b=6',
-    'https://httpbin.org/ip'
+    'https://hb.opencpu.org/get?a=5',
+    'https://hb.opencpu.org/get?a=5&b=6',
+    'https://hb.opencpu.org/ip'
   )
 ))
 #> <crul async connection> 
@@ -55,9 +55,9 @@
 #>   auth: 
 #>   headers: 
 #>   urls: (n: 3)
-#>    https://httpbin.org/get?a=5
-#>    https://httpbin.org/get?a=5&b=6
-#>    https://httpbin.org/ip
+#>    https://hb.opencpu.org/get?a=5
+#>    https://hb.opencpu.org/get?a=5&b=6
+#>    https://hb.opencpu.org/ip
 ```
 
 Make request with any HTTP method
@@ -65,52 +65,11 @@
 
 ```r
 (res <- cc$get())
-#> [[1]]
-#> <crul response> 
-#>   url: https://httpbin.org/get?a=5
-#>   request_headers: 
-#>   response_headers: 
-#>     status: HTTP/2 200 
-#>     date: Thu, 09 Jul 2020 20:14:45 GMT
-#>     content-type: application/json
-#>     content-length: 400
-#>     server: gunicorn/19.9.0
-#>     access-control-allow-origin: *
-#>     access-control-allow-credentials: true
-#>   params: 
-#>     a: 5
-#>   status: 200
-#> 
-#> [[2]]
-#> <crul response> 
-#>   url: https://httpbin.org/get?a=5&b=6
-#>   request_headers: 
-#>   response_headers: 
-#>     status: HTTP/2 200 
-#>     date: Thu, 09 Jul 2020 20:14:45 GMT
-#>     content-type: application/json
-#>     content-length: 419
-#>     server: gunicorn/19.9.0
-#>     access-control-allow-origin: *
-#>     access-control-allow-credentials: true
-#>   params: 
-#>     a: 5
-#>     b: 6
-#>   status: 200
-#> 
-#> [[3]]
-#> <crul response> 
-#>   url: https://httpbin.org/ip
-#>   request_headers: 
-#>   response_headers: 
-#>     status: HTTP/2 200 
-#>     date: Thu, 09 Jul 2020 20:14:45 GMT
-#>     content-type: application/json
-#>     content-length: 31
-#>     server: gunicorn/19.9.0
-#>     access-control-allow-origin: *
-#>     access-control-allow-credentials: true
-#>   status: 200
+#> async responses
+#> status code - url (N=3; printing up to 10)
+#>   200 - https://hb.opencpu.org/get?a=5
+#>   200 - https://hb.opencpu.org/get?a=5&b=6
+#>   200 - https://hb.opencpu.org/ip
 ```
 
 You get back a list matching length of the number of input URLs
@@ -120,11 +79,11 @@
 
 ```r
 res[[1]]$url
-#> [1] "https://httpbin.org/get?a=5"
+#> [1] "https://hb.opencpu.org/get?a=5"
 res[[1]]$success()
 #> [1] TRUE
 res[[1]]$parse("UTF-8")
-#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"R (4.0.2 x86_64-apple-darwin17.0 x86_64 darwin17.0)\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f077ab5-686fd087166386a10fe80f25\"\n  }, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/get?a=5\"\n}\n"
+#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"R (4.2.3 aarch64-apple-darwin20 aarch64 darwin20)\"\n  }, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/get?a=5\"\n}\n"
 ```
 
 Or apply access/method calls across many results, e.g., parse all results
@@ -133,13 +92,13 @@
 ```r
 lapply(res, function(z) z$parse("UTF-8"))
 #> [[1]]
-#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"R (4.0.2 x86_64-apple-darwin17.0 x86_64 darwin17.0)\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f077ab5-686fd087166386a10fe80f25\"\n  }, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/get?a=5\"\n}\n"
+#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"R (4.2.3 aarch64-apple-darwin20 aarch64 darwin20)\"\n  }, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/get?a=5\"\n}\n"
 #> 
 #> [[2]]
-#> [1] "{\n  \"args\": {\n    \"a\": \"5\", \n    \"b\": \"6\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"R (4.0.2 x86_64-apple-darwin17.0 x86_64 darwin17.0)\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f077ab5-0c5caed1b0cac8d405458e4e\"\n  }, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/get?a=5&b=6\"\n}\n"
+#> [1] "{\n  \"args\": {\n    \"a\": \"5\", \n    \"b\": \"6\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"R (4.2.3 aarch64-apple-darwin20 aarch64 darwin20)\"\n  }, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/get?a=5&b=6\"\n}\n"
 #> 
 #> [[3]]
-#> [1] "{\n  \"origin\": \"24.21.229.59\"\n}\n"
+#> [1] "{\n  \"origin\": \"172.18.0.4\"\n}\n"
 ```
 
 ## varied request async
@@ -147,14 +106,14 @@
 
 ```r
 req1 <- HttpRequest$new(
-  url = "https://httpbin.org/get?a=5",
+  url = "https://hb.opencpu.org/get?a=5",
   opts = list(
     verbose = TRUE
   )
 )
 req1$get()
 #> <crul http request> get
-#>   url: https://httpbin.org/get?a=5
+#>   url: https://hb.opencpu.org/get?a=5
 #>   curl options: 
 #>     verbose: TRUE
 #>   proxies: 
@@ -163,11 +122,11 @@
 #>   progress: FALSE
 
 req2 <- HttpRequest$new(
-  url = "https://httpbin.org/post?a=5&b=6"
+  url = "https://hb.opencpu.org/post?a=5&b=6"
 )
 req2$post(body = list(a = 5))
 #> <crul http request> post
-#>   url: https://httpbin.org/post?a=5&b=6
+#>   url: https://hb.opencpu.org/post?a=5&b=6
 #>   curl options: 
 #>   proxies: 
 #>   auth: 
@@ -177,8 +136,8 @@
 (res <- AsyncVaried$new(req1, req2))
 #> <crul async varied connection>
 #>   requests: (n: 2)
-#>    get: https://httpbin.org/get?a=5 
-#>    post: https://httpbin.org/post?a=5&b=6
+#>    get: https://hb.opencpu.org/get?a=5 
+#>    post: https://hb.opencpu.org/post?a=5&b=6
 ```
 
 Make requests asynchronously
@@ -193,8 +152,8 @@
 
 ```r
 res$parse()
-#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"R (4.0.2 x86_64-apple-darwin17.0 x86_64 darwin17.0)\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f077ab6-74ff987c9d00dd500c8ad920\"\n  }, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/get?a=5\"\n}\n"                                                                                                                                                                                                                                                       
-#> [2] "{\n  \"args\": {\n    \"a\": \"5\", \n    \"b\": \"6\"\n  }, \n  \"data\": \"\", \n  \"files\": {}, \n  \"form\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Content-Length\": \"137\", \n    \"Content-Type\": \"multipart/form-data; boundary=------------------------cb67be38c1a8a084\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"libcurl/7.64.1 r-curl/4.3 crul/0.9.2.93\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f077ab6-d206c2e86f429778e6cb9810\"\n  }, \n  \"json\": null, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/post?a=5&b=6\"\n}\n"
+#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"R (4.2.3 aarch64-apple-darwin20 aarch64 darwin20)\"\n  }, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/get?a=5\"\n}\n"                                                                                                                                                                                                                                                           
+#> [2] "{\n  \"args\": {\n    \"a\": \"5\", \n    \"b\": \"6\"\n  }, \n  \"data\": \"\", \n  \"files\": {}, \n  \"form\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Content-Length\": \"137\", \n    \"Content-Type\": \"multipart/form-data; boundary=------------------------389c6ab199efc7cd\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100\"\n  }, \n  \"json\": null, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/post?a=5&b=6\"\n}\n"
 ```
 
 
@@ -208,12 +167,12 @@
 #>     "headers": {
 #>         "Accept": "application/json, text/xml, application/xml, */*",
 #>         "Accept-Encoding": "gzip, deflate",
-#>         "Host": "httpbin.org",
-#>         "User-Agent": "R (4.0.2 x86_64-apple-darwin17.0 x86_64 darwin17.0)",
-#>         "X-Amzn-Trace-Id": "Root=1-5f077ab6-74ff987c9d00dd500c8ad920"
+#>         "Connection": "close",
+#>         "Host": "httpbin:8080",
+#>         "User-Agent": "R (4.2.3 aarch64-apple-darwin20 aarch64 darwin20)"
 #>     },
-#>     "origin": "24.21.229.59",
-#>     "url": "https://httpbin.org/get?a=5"
+#>     "origin": "172.18.0.4",
+#>     "url": "http://httpbin:8080/get?a=5"
 #> }
 #>  
 #> 
@@ -233,15 +192,15 @@
 #>     "headers": {
 #>         "Accept": "application/json, text/xml, application/xml, */*",
 #>         "Accept-Encoding": "gzip, deflate",
+#>         "Connection": "close",
 #>         "Content-Length": "137",
-#>         "Content-Type": "multipart/form-data; boundary=------------------------cb67be38c1a8a084",
-#>         "Host": "httpbin.org",
-#>         "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.2.93",
-#>         "X-Amzn-Trace-Id": "Root=1-5f077ab6-d206c2e86f429778e6cb9810"
+#>         "Content-Type": "multipart/form-data; boundary=------------------------389c6ab199efc7cd",
+#>         "Host": "httpbin:8080",
+#>         "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"
 #>     },
 #>     "json": null,
-#>     "origin": "24.21.229.59",
-#>     "url": "https://httpbin.org/post?a=5&b=6"
+#>     "origin": "172.18.0.4",
+#>     "url": "http://httpbin:8080/post?a=5&b=6"
 #> }
 #> 
 ```
diff -Nru r-cran-crul-1.3+dfsg/inst/doc/best-practices-api-packages.Rmd r-cran-crul-1.4.0+dfsg/inst/doc/best-practices-api-packages.Rmd
--- r-cran-crul-1.3+dfsg/inst/doc/best-practices-api-packages.Rmd	2021-08-16 21:05:23.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/inst/doc/best-practices-api-packages.Rmd	2023-05-10 21:56:03.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 5. API package best practices
 author: Scott Chamberlain
-date: "2021-08-16"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{5. API package best practices}
@@ -63,7 +63,7 @@
 
 
 ```r
-x <- xGET("https://httpbin.org", "get", args = list(foo = "bar"))
+x <- xGET("https://hb.opencpu.org", "get", args = list(foo = "bar"))
 # parse the JSON to a list
 jsonlite::fromJSON(x)
 # more parsing
@@ -100,7 +100,7 @@
 
 
 ```r
-con <- HttpClient$new("https://httpbin.org/status/404")
+con <- HttpClient$new("https://hb.opencpu.org/status/404")
 res <- con$get()
 ```
 
@@ -252,5 +252,5 @@
 [webmockr]: https://github.com/ropensci/webmockr
 [vcr]: https://github.com/ropensci/vcr
 [httr]: https://github.com/r-lib/httr
-[fauxpas]: https://github.com/ropensci/fauxpas
+[fauxpas]: https://github.com/sckott/fauxpas
 [book]: https://books.ropensci.org/http-testing/
diff -Nru r-cran-crul-1.3+dfsg/inst/doc/choosing-a-client.Rmd r-cran-crul-1.4.0+dfsg/inst/doc/choosing-a-client.Rmd
--- r-cran-crul-1.3+dfsg/inst/doc/choosing-a-client.Rmd	2022-08-19 15:05:40.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/inst/doc/choosing-a-client.Rmd	2023-05-10 21:56:02.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 6. Choosing a HTTP request class
 author: Scott Chamberlain
-date: "2020-07-13"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{6. Choosing a HTTP request class}
@@ -18,8 +18,8 @@
 |HttpClient|all|no|[bcdata][],[chirps][],[duckduckr][],[gfonts][],[mindicador][],[nsapi][],[tradestatistics][],[viafr][]|
 |Paginator|all except retry|no|---|
 |ok|head,get|no|[dams][]|
-|Async|all except retry|yes|[fulltext][],[rdryad][],[rnoaa][]|
-|AsyncVaried|all except retry|yes|[rcrossref][],[taxize][],[rcitoid][],[mstrio][]|
+|Async|all except retry|yes|[rdryad][],[rnoaa][]|
+|AsyncVaried|all except retry|yes|[rcrossref][],[taxize][],[mstrio][]|
 |AsyncQueue|all except retry|yes|---|
 
 **HttpClient** is the main class for doing synchronous HTTP requests. It supports all HTTP verbs including retry. It was the first class in this package. See also `crul::ok()`, which builds on this class.
@@ -50,11 +50,9 @@
 [nsapi]: https://rmhogervorst.nl/nsapi/
 [tradestatistics]: https://docs.ropensci.org/tradestatistics/
 [viafr]: https://github.com/stefanieschneider/viafr
-[fulltext]:https://docs.ropensci.org/fulltext/
 [rdryad]: https://docs.ropensci.org/rdryad/
 [rnoaa]: https://docs.ropensci.org/rnoaa/
 [rcrossref]: https://docs.ropensci.org/rcrossref/
 [taxize]: https://docs.ropensci.org/taxize/
-[rcitoid]: https://docs.ropensci.org/rcitoid/
 [mstrio]: https://cran.r-project.org/package=mstrio
 [dams]: https://jsta.github.io/dams/
diff -Nru r-cran-crul-1.3+dfsg/inst/doc/crul.Rmd r-cran-crul-1.4.0+dfsg/inst/doc/crul.Rmd
--- r-cran-crul-1.3+dfsg/inst/doc/crul.Rmd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/inst/doc/crul.Rmd	2023-05-10 21:55:58.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 1. crul introduction
 author: Scott Chamberlain
-date: "2020-07-10"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{1. crul introduction}
@@ -26,7 +26,8 @@
 
 
 ```r
-remotes::install_github("ropensci/crul")
+install.packages("pak")
+pak::pkg_install("ropensci/crul")
 ```
 
 
@@ -41,7 +42,7 @@
 
 ```r
 (x <- HttpClient$new(
-  url = "https://httpbin.org",
+  url = "https://hb.opencpu.org",
   opts = list(
     timeout = 1
   ),
@@ -50,7 +51,7 @@
   )
 ))
 #> <crul connection> 
-#>   url: https://httpbin.org
+#>   url: https://hb.opencpu.org
 #>   curl options: 
 #>     timeout: 1
 #>   proxies: 
@@ -86,7 +87,7 @@
 curl options.
 
 Here, we'll do a __GET__ request on the route `/get` on our base url
-`https://httpbin.org` (the full url is then `https://httpbin.org/get`)
+`https://hb.opencpu.org` (the full url is then `https://hb.opencpu.org/get`)
 
 
 ```r
@@ -116,16 +117,15 @@
 #>  [76] 6c 69 63 61 74 69 6f 6e 2f 6a 73 6f 6e 2c 20 74 65 78 74 2f 78 6d 6c 2c 20
 #> [101] 61 70 70 6c 69 63 61 74 69 6f 6e 2f 78 6d 6c 2c 20 2a 2f 2a 22 2c 20 0a 20
 #> [126] 20 20 20 22 41 63 63 65 70 74 2d 45 6e 63 6f 64 69 6e 67 22 3a 20 22 67 7a
-#> [151] 69 70 2c 20 64 65 66 6c 61 74 65 22 2c 20 0a 20 20 20 20 22 48 6f 73 74 22
-#> [176] 3a 20 22 68 74 74 70 62 69 6e 2e 6f 72 67 22 2c 20 0a 20 20 20 20 22 55 73
-#> [201] 65 72 2d 41 67 65 6e 74 22 3a 20 22 6c 69 62 63 75 72 6c 2f 37 2e 36 34 2e
-#> [226] 31 20 72 2d 63 75 72 6c 2f 34 2e 33 20 63 72 75 6c 2f 30 2e 39 2e 34 2e 39
-#> [251] 31 22 2c 20 0a 20 20 20 20 22 58 2d 41 6d 7a 6e 2d 54 72 61 63 65 2d 49 64
-#> [276] 22 3a 20 22 52 6f 6f 74 3d 31 2d 35 66 30 38 64 36 63 65 2d 61 61 32 30 39
-#> [301] 37 30 64 63 62 63 31 33 64 30 61 37 65 38 66 32 35 65 36 22 0a 20 20 7d 2c
-#> [326] 20 0a 20 20 22 6f 72 69 67 69 6e 22 3a 20 22 32 34 2e 32 31 2e 32 32 39 2e
-#> [351] 35 39 22 2c 20 0a 20 20 22 75 72 6c 22 3a 20 22 68 74 74 70 73 3a 2f 2f 68
-#> [376] 74 74 70 62 69 6e 2e 6f 72 67 2f 67 65 74 22 0a 7d 0a
+#> [151] 69 70 2c 20 64 65 66 6c 61 74 65 22 2c 20 0a 20 20 20 20 22 43 6f 6e 6e 65
+#> [176] 63 74 69 6f 6e 22 3a 20 22 63 6c 6f 73 65 22 2c 20 0a 20 20 20 20 22 48 6f
+#> [201] 73 74 22 3a 20 22 68 74 74 70 62 69 6e 3a 38 30 38 30 22 2c 20 0a 20 20 20
+#> [226] 20 22 55 73 65 72 2d 41 67 65 6e 74 22 3a 20 22 6c 69 62 63 75 72 6c 2f 37
+#> [251] 2e 38 37 2e 30 20 72 2d 63 75 72 6c 2f 35 2e 30 2e 30 20 63 72 75 6c 2f 31
+#> [276] 2e 33 2e 39 31 30 30 22 0a 20 20 7d 2c 20 0a 20 20 22 6f 72 69 67 69 6e 22
+#> [301] 3a 20 22 31 37 32 2e 31 38 2e 30 2e 34 22 2c 20 0a 20 20 22 75 72 6c 22 3a
+#> [326] 20 22 68 74 74 70 3a 2f 2f 68 74 74 70 62 69 6e 3a 38 30 38 30 2f 67 65 74
+#> [351] 22 0a 7d 0a
 ```
 
 HTTP method
@@ -142,7 +142,7 @@
 ```r
 res$request_headers
 #> $`User-Agent`
-#> [1] "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91"
+#> [1] "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"
 #> 
 #> $`Accept-Encoding`
 #> [1] "gzip, deflate"
@@ -160,25 +160,34 @@
 ```r
 res$response_headers
 #> $status
-#> [1] "HTTP/2 200 "
+#> [1] "HTTP/1.1 200 OK"
+#> 
+#> $server
+#> [1] "nginx/1.20.2"
 #> 
 #> $date
-#> [1] "Fri, 10 Jul 2020 20:59:58 GMT"
+#> [1] "Wed, 10 May 2023 21:55:58 GMT"
 #> 
 #> $`content-type`
 #> [1] "application/json"
 #> 
 #> $`content-length`
-#> [1] "393"
+#> [1] "354"
 #> 
-#> $server
-#> [1] "gunicorn/19.9.0"
+#> $connection
+#> [1] "keep-alive"
 #> 
 #> $`access-control-allow-origin`
 #> [1] "*"
 #> 
 #> $`access-control-allow-credentials`
 #> [1] "true"
+#> 
+#> $`x-powered-by`
+#> [1] "Flask"
+#> 
+#> $`x-processed-time`
+#> [1] "0"
 ```
 
 All response headers, including intermediate headers, if any
@@ -188,25 +197,34 @@
 res$response_headers_all
 #> [[1]]
 #> [[1]]$status
-#> [1] "HTTP/2 200 "
+#> [1] "HTTP/1.1 200 OK"
+#> 
+#> [[1]]$server
+#> [1] "nginx/1.20.2"
 #> 
 #> [[1]]$date
-#> [1] "Fri, 10 Jul 2020 20:59:58 GMT"
+#> [1] "Wed, 10 May 2023 21:55:58 GMT"
 #> 
 #> [[1]]$`content-type`
 #> [1] "application/json"
 #> 
 #> [[1]]$`content-length`
-#> [1] "393"
+#> [1] "354"
 #> 
-#> [[1]]$server
-#> [1] "gunicorn/19.9.0"
+#> [[1]]$connection
+#> [1] "keep-alive"
 #> 
 #> [[1]]$`access-control-allow-origin`
 #> [1] "*"
 #> 
 #> [[1]]$`access-control-allow-credentials`
 #> [1] "true"
+#> 
+#> [[1]]$`x-powered-by`
+#> [1] "Flask"
+#> 
+#> [[1]]$`x-processed-time`
+#> [1] "0"
 ```
 
 And you can parse the content with a provided function:
@@ -214,7 +232,7 @@
 
 ```r
 res$parse()
-#> [1] "{\n  \"args\": {}, \n  \"headers\": {\n    \"A\": \"hello world\", \n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f08d6ce-aa20970dcbc13d0a7e8f25e6\"\n  }, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/get\"\n}\n"
+#> [1] "{\n  \"args\": {}, \n  \"headers\": {\n    \"A\": \"hello world\", \n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100\"\n  }, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/get\"\n}\n"
 jsonlite::fromJSON(res$parse())
 #> $args
 #> named list()
@@ -229,21 +247,21 @@
 #> $headers$`Accept-Encoding`
 #> [1] "gzip, deflate"
 #> 
+#> $headers$Connection
+#> [1] "close"
+#> 
 #> $headers$Host
-#> [1] "httpbin.org"
+#> [1] "httpbin:8080"
 #> 
 #> $headers$`User-Agent`
-#> [1] "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91"
-#> 
-#> $headers$`X-Amzn-Trace-Id`
-#> [1] "Root=1-5f08d6ce-aa20970dcbc13d0a7e8f25e6"
+#> [1] "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"
 #> 
 #> 
 #> $origin
-#> [1] "24.21.229.59"
+#> [1] "172.18.0.4"
 #> 
 #> $url
-#> [1] "https://httpbin.org/get"
+#> [1] "http://httpbin:8080/get"
 ```
 
 With the `HttpClient` object, which holds any configuration stuff
@@ -263,12 +281,12 @@
 
 
 ```r
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 f <- tempfile()
 res <- x$get(disk = f)
 # when using write to disk, content is a path
 res$content 
-#> [1] "/var/folders/fc/n7g_vrvn0sx_st0p8lxb3ts40000gn/T//RtmppSPqIf/file20b5651a4a3a"
+#> [1] "/var/folders/vw/4nm3x1ld0_jgmqy6_yf6pz3c0000gn/T//RtmpZ9O9vQ/file17033155d5263"
 ```
 
 Read lines
@@ -276,25 +294,25 @@
 
 ```r
 readLines(res$content, n = 10)
-#>  [1] "<!DOCTYPE html>"                                                                                                               
-#>  [2] "<html lang=\"en\">"                                                                                                            
-#>  [3] ""                                                                                                                              
-#>  [4] "<head>"                                                                                                                        
-#>  [5] "    <meta charset=\"UTF-8\">"                                                                                                  
-#>  [6] "    <title>httpbin.org</title>"                                                                                                
-#>  [7] "    <link href=\"https://fonts.googleapis.com/css?family=Open+Sans:400,700|Source+Code+Pro:300,600|Titillium+Web:400,600,700\""
-#>  [8] "        rel=\"stylesheet\">"                                                                                                   
-#>  [9] "    <link rel=\"stylesheet\" type=\"text/css\" href=\"/flasgger_static/swagger-ui.css\">"                                      
-#> [10] "    <link rel=\"icon\" type=\"image/png\" href=\"/static/favicon.ico\" sizes=\"64x64 32x32 16x16\" />"
+#>  [1] "<!DOCTYPE html>"                                                                           
+#>  [2] "<html>"                                                                                    
+#>  [3] "<head>"                                                                                    
+#>  [4] "  <meta http-equiv='content-type' value='text/html;charset=utf8'>"                         
+#>  [5] "  <meta name='generator' value='Ronn/v0.7.3 (http://github.com/rtomayko/ronn/tree/0.7.3)'>"
+#>  [6] "  <title>httpbin(1): HTTP Client Testing Service</title>"                                  
+#>  [7] "  <style type='text/css' media='all'>"                                                     
+#>  [8] "  /* style: man */"                                                                        
+#>  [9] "  body#manpage {margin:0}"                                                                 
+#> [10] "  .mp {max-width:100ex;padding:0 9ex 1ex 4ex}"
 ```
 
 ## stream data
 
 
 ```r
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 #> <crul connection> 
-#>   url: https://httpbin.org
+#>   url: https://hb.opencpu.org
 #>   curl options: 
 #>   proxies: 
 #>   auth: 
@@ -302,11 +320,11 @@
 #>   progress: FALSE
 #>   hooks:
 res <- x$get('stream/5', stream = function(x) cat(rawToChar(x)))
-#> {"url": "https://httpbin.org/stream/5", "args": {}, "headers": {"Host": "httpbin.org", "X-Amzn-Trace-Id": "Root=1-5f08d6cf-871364ce53d065c8d32eefd4", "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*"}, "origin": "24.21.229.59", "id": 0}
-#> {"url": "https://httpbin.org/stream/5", "args": {}, "headers": {"Host": "httpbin.org", "X-Amzn-Trace-Id": "Root=1-5f08d6cf-871364ce53d065c8d32eefd4", "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*"}, "origin": "24.21.229.59", "id": 1}
-#> {"url": "https://httpbin.org/stream/5", "args": {}, "headers": {"Host": "httpbin.org", "X-Amzn-Trace-Id": "Root=1-5f08d6cf-871364ce53d065c8d32eefd4", "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*"}, "origin": "24.21.229.59", "id": 2}
-#> {"url": "https://httpbin.org/stream/5", "args": {}, "headers": {"Host": "httpbin.org", "X-Amzn-Trace-Id": "Root=1-5f08d6cf-871364ce53d065c8d32eefd4", "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*"}, "origin": "24.21.229.59", "id": 3}
-#> {"url": "https://httpbin.org/stream/5", "args": {}, "headers": {"Host": "httpbin.org", "X-Amzn-Trace-Id": "Root=1-5f08d6cf-871364ce53d065c8d32eefd4", "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*"}, "origin": "24.21.229.59", "id": 4}
+#> {"url": "http://httpbin:8080/stream/5", "headers": {"Connection": "close", "Host": "httpbin:8080", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*", "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"}, "args": {}, "id": 0, "origin": "172.18.0.4"}
+#> {"url": "http://httpbin:8080/stream/5", "headers": {"Connection": "close", "Host": "httpbin:8080", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*", "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"}, "args": {}, "id": 1, "origin": "172.18.0.4"}
+#> {"url": "http://httpbin:8080/stream/5", "headers": {"Connection": "close", "Host": "httpbin:8080", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*", "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"}, "args": {}, "id": 2, "origin": "172.18.0.4"}
+#> {"url": "http://httpbin:8080/stream/5", "headers": {"Connection": "close", "Host": "httpbin:8080", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*", "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"}, "args": {}, "id": 3, "origin": "172.18.0.4"}
+#> {"url": "http://httpbin:8080/stream/5", "headers": {"Connection": "close", "Host": "httpbin:8080", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*", "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"}, "args": {}, "id": 4, "origin": "172.18.0.4"}
 # when streaming, content is NULL
 res$content 
 #> NULL
diff -Nru r-cran-crul-1.3+dfsg/inst/doc/curl-options.Rmd r-cran-crul-1.4.0+dfsg/inst/doc/curl-options.Rmd
--- r-cran-crul-1.3+dfsg/inst/doc/curl-options.Rmd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/inst/doc/curl-options.Rmd	2023-05-10 21:57:33.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 4. curl options
 author: Scott Chamberlain
-date: "2021-02-05"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{4. curl options}
@@ -114,10 +114,10 @@
 Just do a `HEAD` request so we don't have to deal with big output
 
 ```r
-HttpClient$new("https://httpbin.org", 
+HttpClient$new("https://hb.opencpu.org", 
   opts = list(verbose = TRUE))$head()
 #> > HEAD / HTTP/1.1
-#> Host: httpbin.org
+#> Host: hb.opencpu.org
 #> User-Agent: libcurl/7.54.0 r-curl/3.2 crul/0.5.4.9521
 #> Accept: */*
 #> Accept-Encoding: gzip, deflate
@@ -145,7 +145,7 @@
 
 
 ```r
-x <- HttpClient$new("https://httpbin.org", 
+x <- HttpClient$new("https://hb.opencpu.org", 
   headers = list(
     Accept = "application/json", 
     foo = "bar"
@@ -154,7 +154,7 @@
 )
 x$head()
 #> > HEAD / HTTP/1.1
-#> Host: httpbin.org
+#> Host: hb.opencpu.org
 #> User-Agent: libcurl/7.54.0 r-curl/3.2 crul/0.5.4.9521
 #> Accept-Encoding: gzip, deflate
 #> Accept: application/json
@@ -202,13 +202,13 @@
 
 
 ```r
-HttpClient$new("https://httpbin.org/get", headers = list(Authorization = "Bearer 234kqhrlj2342"))
+HttpClient$new("https://hb.opencpu.org/get", headers = list(Authorization = "Bearer 234kqhrlj2342"))
 ```
 
 or as a query parameter (which is passed in the URL string)
 
 ```r
-HttpClient$new("https://httpbin.org/get", query = list(api_key = "<your key>"))
+HttpClient$new("https://hb.opencpu.org/get", query = list(api_key = "<your key>"))
 ```
 
 Another authentication option is OAuth. OAuth is not supported in `crul` yet. You can always do OAuth with 
@@ -266,7 +266,7 @@
 * `HttpClient$new(progress = fxn)`
 
 ```r
-x <- HttpClient$new("https://httpbin.org/get", progress = httr::progress())
+x <- HttpClient$new("https://hb.opencpu.org/get", progress = httr::progress())
 #> |==================================| 100%
 ```
 
diff -Nru r-cran-crul-1.3+dfsg/inst/doc/how-to-use-crul.Rmd r-cran-crul-1.4.0+dfsg/inst/doc/how-to-use-crul.Rmd
--- r-cran-crul-1.3+dfsg/inst/doc/how-to-use-crul.Rmd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/inst/doc/how-to-use-crul.Rmd	2023-05-10 21:56:02.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 2. crul workflows
 author: Scott Chamberlain
-date: "2020-07-09"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{2. crul workflows}
@@ -59,7 +59,7 @@
 
 
 ```r
-make_request("https://httpbin.org/get")
+make_request("https://hb.opencpu.org/get")
 #> $args
 #> named list()
 #> 
@@ -70,21 +70,21 @@
 #> $headers$`Accept-Encoding`
 #> [1] "gzip, deflate"
 #> 
+#> $headers$Connection
+#> [1] "close"
+#> 
 #> $headers$Host
-#> [1] "httpbin.org"
+#> [1] "httpbin:8080"
 #> 
 #> $headers$`User-Agent`
-#> [1] "libcurl/7.64.1 r-curl/4.3 crul/0.9.2.93"
-#> 
-#> $headers$`X-Amzn-Trace-Id`
-#> [1] "Root=1-5f077ab0-7142dc982d077268af3d2a28"
+#> [1] "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"
 #> 
 #> 
 #> $origin
-#> [1] "24.21.229.59"
+#> [1] "172.18.0.4"
 #> 
 #> $url
-#> [1] "https://httpbin.org/get"
+#> [1] "http://httpbin:8080/get"
 ```
 
 Now you can use the `make_request` function in your script or package.
@@ -143,7 +143,7 @@
 #> named list()
 #> 
 #> $message$`total-results`
-#> [1] 115235329
+#> [1] 144645917
 #> 
 #> $message$items
 #> list()
@@ -189,7 +189,7 @@
 #> named list()
 #> 
 #> $message$`total-results`
-#> [1] 115235329
+#> [1] 144645917
 #> 
 #> $message$items
 #> list()
diff -Nru r-cran-crul-1.3+dfsg/man/AsyncQueue.Rd r-cran-crul-1.4.0+dfsg/man/AsyncQueue.Rd
--- r-cran-crul-1.3+dfsg/man/AsyncQueue.Rd	2022-08-19 13:36:08.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/AsyncQueue.Rd	2023-05-10 21:59:01.000000000 +0000
@@ -10,29 +10,30 @@
 
 This is an R6 class from the package \pkg{R6}. Find out more
 about R6 at \url{https://r6.r-lib.org/}. After creating an instance of an R6
-class (e.g., \code{x <- HttpClient$new(url = "https://httpbin.org")}) you can
+class (e.g., \code{x <- HttpClient$new(url = "https://hb.opencpu.org")}) you can
 access values and methods on the object \code{x}.
 }
 
 \examples{
 \dontrun{
-# Using sleep
+# Using sleep (note this works with retry requests)
 reqlist <- list(
-  HttpRequest$new(url = "https://httpbin.org/get")$get(),
-  HttpRequest$new(url = "https://httpbin.org/post")$post(),
-  HttpRequest$new(url = "https://httpbin.org/put")$put(),
-  HttpRequest$new(url = "https://httpbin.org/delete")$delete(),
-  HttpRequest$new(url = "https://httpbin.org/get?g=5")$get(),
+  HttpRequest$new(url = "https://hb.opencpu.org/get")$get(),
+  HttpRequest$new(url = "https://hb.opencpu.org/post")$post(),
+  HttpRequest$new(url = "https://hb.opencpu.org/put")$put(),
+  HttpRequest$new(url = "https://hb.opencpu.org/delete")$delete(),
+  HttpRequest$new(url = "https://hb.opencpu.org/get?g=5")$get(),
   HttpRequest$new(
-    url = "https://httpbin.org/post")$post(body = list(y = 9)),
+    url = "https://hb.opencpu.org/post")$post(body = list(y = 9)),
   HttpRequest$new(
-    url = "https://httpbin.org/get")$get(query = list(hello = "world")),
+    url = "https://hb.opencpu.org/get")$get(query = list(hello = "world")),
   HttpRequest$new(url = "https://ropensci.org")$get(),
   HttpRequest$new(url = "https://ropensci.org/about")$get(),
   HttpRequest$new(url = "https://ropensci.org/packages")$get(),
   HttpRequest$new(url = "https://ropensci.org/community")$get(),
   HttpRequest$new(url = "https://ropensci.org/blog")$get(),
-  HttpRequest$new(url = "https://ropensci.org/careers")$get()
+  HttpRequest$new(url = "https://ropensci.org/careers")$get(),
+  HttpRequest$new(url = "https://hb.opencpu.org/status/404")$retry("get")
 )
 out <- AsyncQueue$new(.list = reqlist, bucket_size = 5, sleep = 3)
 out
diff -Nru r-cran-crul-1.3+dfsg/man/Async.Rd r-cran-crul-1.4.0+dfsg/man/Async.Rd
--- r-cran-crul-1.3+dfsg/man/Async.Rd	2022-08-19 13:36:08.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/Async.Rd	2023-05-10 21:59:01.000000000 +0000
@@ -49,7 +49,7 @@
 
 This is an R6 class from the package \pkg{R6}. Find out more
 about R6 at \url{https://r6.r-lib.org/}. After creating an instance of an R6
-class (e.g., \code{x <- HttpClient$new(url = "https://httpbin.org")}) you can
+class (e.g., \code{x <- HttpClient$new(url = "https://hb.opencpu.org")}) you can
 access values and methods on the object \code{x}.
 }
 
@@ -57,9 +57,9 @@
 \dontrun{
 cc <- Async$new(
   urls = c(
-    'https://httpbin.org/',
-    'https://httpbin.org/get?a=5',
-    'https://httpbin.org/get?foo=bar'
+    'https://hb.opencpu.org/',
+    'https://hb.opencpu.org/get?a=5',
+    'https://hb.opencpu.org/get?foo=bar'
   )
 )
 cc
@@ -76,9 +76,9 @@
 
 # curl options/headers with async
 urls = c(
- 'https://httpbin.org/',
- 'https://httpbin.org/get?a=5',
- 'https://httpbin.org/get?foo=bar'
+ 'https://hb.opencpu.org/',
+ 'https://hb.opencpu.org/get?a=5',
+ 'https://hb.opencpu.org/get?foo=bar'
 )
 cc <- Async$new(urls = urls, 
   opts = list(verbose = TRUE),
@@ -89,7 +89,7 @@
 
 # using auth with async
 dd <- Async$new(
-  urls = rep('https://httpbin.org/basic-auth/user/passwd', 3),
+  urls = rep('https://hb.opencpu.org/basic-auth/user/passwd', 3),
   auth = auth(user = "foo", pwd = "passwd"),
   opts = list(verbose = TRUE)
 )
@@ -103,12 +103,17 @@
 # failure behavior
 ## e.g. when a URL doesn't exist, a timeout, etc.
 urls <- c("http://stuffthings.gvb", "https://foo.com", 
-  "https://httpbin.org/get")
+  "https://hb.opencpu.org/get")
 conn <- Async$new(urls = urls)
 res <- conn$get()
 res[[1]]$parse("UTF-8") # a failure
 res[[2]]$parse("UTF-8") # a failure
 res[[3]]$parse("UTF-8") # a success
+
+# retry
+urls = c("https://hb.opencpu.org/status/404", "https://hb.opencpu.org/status/429")
+conn <- Async$new(urls = urls)
+res <- conn$retry(verb="get")
 }
 
 ## ------------------------------------------------
@@ -117,9 +122,9 @@
 
 \dontrun{
 (cc <- Async$new(urls = c(
-    'https://httpbin.org/',
-    'https://httpbin.org/get?a=5',
-    'https://httpbin.org/get?foo=bar'
+    'https://hb.opencpu.org/',
+    'https://hb.opencpu.org/get?a=5',
+    'https://hb.opencpu.org/get?foo=bar'
   )))
 (res <- cc$get())
 }
@@ -131,9 +136,9 @@
 \dontrun{
 cc <- Async$new(
   urls = c(
-    'https://httpbin.org/',
-    'https://httpbin.org/get?a=5',
-    'https://httpbin.org/get?foo=bar'
+    'https://hb.opencpu.org/',
+    'https://hb.opencpu.org/get?a=5',
+    'https://hb.opencpu.org/get?foo=bar'
   )
 )
 (res <- cc$verb('get'))
@@ -173,6 +178,7 @@
 \item \href{#method-Async-patch}{\code{Async$patch()}}
 \item \href{#method-Async-delete}{\code{Async$delete()}}
 \item \href{#method-Async-head}{\code{Async$head()}}
+\item \href{#method-Async-retry}{\code{Async$retry()}}
 \item \href{#method-Async-verb}{\code{Async$verb()}}
 \item \href{#method-Async-clone}{\code{Async$clone()}}
 }
@@ -257,9 +263,9 @@
 \if{html}{\out{<div class="r example copy">}}
 \preformatted{\dontrun{
 (cc <- Async$new(urls = c(
-    'https://httpbin.org/',
-    'https://httpbin.org/get?a=5',
-    'https://httpbin.org/get?foo=bar'
+    'https://hb.opencpu.org/',
+    'https://hb.opencpu.org/get?a=5',
+    'https://hb.opencpu.org/get?foo=bar'
   )))
 (res <- cc$get())
 }
@@ -459,6 +465,25 @@
 }
 }
 \if{html}{\out{<hr>}}
+\if{html}{\out{<a id="method-Async-retry"></a>}}
+\if{latex}{\out{\hypertarget{method-Async-retry}{}}}
+\subsection{Method \code{retry()}}{
+execute the \code{RETRY} http verb for the \code{urls}. see \code{\link[=HttpRequest]{HttpRequest$retry}} method for parameters
+\subsection{Usage}{
+\if{html}{\out{<div class="r">}}\preformatted{Async$retry(...)}\if{html}{\out{</div>}}
+}
+
+\subsection{Arguments}{
+\if{html}{\out{<div class="arguments">}}
+\describe{
+\item{\code{...}}{curl options, only those in the acceptable set from
+\code{\link[curl:curl_options]{curl::curl_options()}} except the following: httpget, httppost, post,
+postfields, postfieldsize, and customrequest}
+}
+\if{html}{\out{</div>}}
+}
+}
+\if{html}{\out{<hr>}}
 \if{html}{\out{<a id="method-Async-verb"></a>}}
 \if{latex}{\out{\hypertarget{method-Async-verb}{}}}
 \subsection{Method \code{verb()}}{
@@ -484,9 +509,9 @@
 \preformatted{\dontrun{
 cc <- Async$new(
   urls = c(
-    'https://httpbin.org/',
-    'https://httpbin.org/get?a=5',
-    'https://httpbin.org/get?foo=bar'
+    'https://hb.opencpu.org/',
+    'https://hb.opencpu.org/get?a=5',
+    'https://hb.opencpu.org/get?foo=bar'
   )
 )
 (res <- cc$verb('get'))
diff -Nru r-cran-crul-1.3+dfsg/man/AsyncVaried.Rd r-cran-crul-1.4.0+dfsg/man/AsyncVaried.Rd
--- r-cran-crul-1.3+dfsg/man/AsyncVaried.Rd	2022-08-19 13:36:08.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/AsyncVaried.Rd	2023-05-10 21:59:01.000000000 +0000
@@ -47,7 +47,7 @@
 
 This is an R6 class from the package \pkg{R6}. Find out more
 about R6 at \url{https://r6.r-lib.org/}. After creating an instance of an R6
-class (e.g., \code{x <- HttpClient$new(url = "https://httpbin.org")}) you can
+class (e.g., \code{x <- HttpClient$new(url = "https://hb.opencpu.org")}) you can
 access values and methods on the object \code{x}.
 }
 
@@ -55,11 +55,11 @@
 \dontrun{
 # pass in requests via ...
 req1 <- HttpRequest$new(
-  url = "https://httpbin.org/get",
+  url = "https://hb.opencpu.org/get",
   opts = list(verbose = TRUE),
   headers = list(foo = "bar")
 )$get()
-req2 <- HttpRequest$new(url = "https://httpbin.org/post")$post()
+req2 <- HttpRequest$new(url = "https://hb.opencpu.org/post")$post()
 
 # Create an AsyncVaried object
 out <- AsyncVaried$new(req1, req2)
@@ -92,11 +92,11 @@
 # use $verb() method to select http verb
 method <- "post"
 req1 <- HttpRequest$new(
-  url = "https://httpbin.org/post",
+  url = "https://hb.opencpu.org/post",
   opts = list(verbose = TRUE),
   headers = list(foo = "bar")
 )$verb(method)
-req2 <- HttpRequest$new(url = "https://httpbin.org/post")$verb(method)
+req2 <- HttpRequest$new(url = "https://hb.opencpu.org/post")$verb(method)
 out <- AsyncVaried$new(req1, req2)
 out
 out$request()
@@ -104,15 +104,15 @@
 
 # pass in requests in a list via .list param
 reqlist <- list(
-  HttpRequest$new(url = "https://httpbin.org/get")$get(),
-  HttpRequest$new(url = "https://httpbin.org/post")$post(),
-  HttpRequest$new(url = "https://httpbin.org/put")$put(),
-  HttpRequest$new(url = "https://httpbin.org/delete")$delete(),
-  HttpRequest$new(url = "https://httpbin.org/get?g=5")$get(),
+  HttpRequest$new(url = "https://hb.opencpu.org/get")$get(),
+  HttpRequest$new(url = "https://hb.opencpu.org/post")$post(),
+  HttpRequest$new(url = "https://hb.opencpu.org/put")$put(),
+  HttpRequest$new(url = "https://hb.opencpu.org/delete")$delete(),
+  HttpRequest$new(url = "https://hb.opencpu.org/get?g=5")$get(),
   HttpRequest$new(
-    url = "https://httpbin.org/post")$post(body = list(y = 9)),
+    url = "https://hb.opencpu.org/post")$post(body = list(y = 9)),
   HttpRequest$new(
-    url = "https://httpbin.org/get")$get(query = list(hello = "world"))
+    url = "https://hb.opencpu.org/get")$get(query = list(hello = "world"))
 )
 
 out <- AsyncVaried$new(.list = reqlist)
@@ -124,7 +124,7 @@
 out$parse()
 
 # using auth with async
-url <- "https://httpbin.org/basic-auth/user/passwd"
+url <- "https://hb.opencpu.org/basic-auth/user/passwd"
 auth <- auth(user = "user", pwd = "passwd")
 reqlist <- list(
   HttpRequest$new(url = url, auth = auth)$get(),
@@ -140,8 +140,8 @@
 ## e.g. when a URL doesn't exist, a timeout, etc.
 reqlist <- list(
   HttpRequest$new(url = "http://stuffthings.gvb")$get(),
-  HttpRequest$new(url = "https://httpbin.org")$head(),
-  HttpRequest$new(url = "https://httpbin.org", 
+  HttpRequest$new(url = "https://hb.opencpu.org")$head(),
+  HttpRequest$new(url = "https://hb.opencpu.org",
    opts = list(timeout_ms = 10))$head()
 )
 (tmp <- AsyncVaried$new(.list = reqlist))
@@ -160,6 +160,19 @@
 tmp$request()
 tmp
 lapply(tmp$responses(), "[[", "response_headers_all")
+
+# retry
+reqlist <- list(
+  HttpRequest$new(url = "https://hb.opencpu.org/get")$get(),
+  HttpRequest$new(url = "https://hb.opencpu.org/post")$post(),
+  HttpRequest$new(url = "https://hb.opencpu.org/status/404")$retry("get"),
+  HttpRequest$new(url = "https://hb.opencpu.org/status/429")$retry("get",
+   retry_only_on = c(403, 429), times = 2)
+)
+tmp <- AsyncVaried$new(.list = reqlist)
+tmp
+tmp$request()
+tmp$responses()[[3]]
 }
 }
 \seealso{
diff -Nru r-cran-crul-1.3+dfsg/man/auth.Rd r-cran-crul-1.4.0+dfsg/man/auth.Rd
--- r-cran-crul-1.3+dfsg/man/auth.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/auth.Rd	2023-05-10 21:48:59.000000000 +0000
@@ -38,7 +38,7 @@
 \dontrun{
 # with HttpClient
 (res <- HttpClient$new(
-  url = "https://httpbin.org/basic-auth/user/passwd",
+  url = "https://hb.opencpu.org/basic-auth/user/passwd",
   auth = auth(user = "user", pwd = "passwd")
 ))
 res$auth
@@ -47,7 +47,7 @@
 
 # with HttpRequest
 (res <- HttpRequest$new(
-  url = "https://httpbin.org/basic-auth/user/passwd",
+  url = "https://hb.opencpu.org/basic-auth/user/passwd",
   auth = auth(user = "user", pwd = "passwd")
 ))
 res$auth
diff -Nru r-cran-crul-1.3+dfsg/man/content-types.Rd r-cran-crul-1.4.0+dfsg/man/content-types.Rd
--- r-cran-crul-1.3+dfsg/man/content-types.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/content-types.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -34,7 +34,7 @@
 
 \examples{
 \dontrun{
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 (res <- x$get())
 
 ## see the content type
@@ -61,10 +61,10 @@
 }
 \references{
 spec for content types:
-\url{https://tools.ietf.org/html/rfc7231#section-3.1.1.5}
+\url{https://datatracker.ietf.org/doc/html/rfc7231#section-3.1.1.5}
 
 spec for media types:
-\url{https://tools.ietf.org/html/rfc7231#section-3.1.1.1}
+\url{https://datatracker.ietf.org/doc/html/rfc7231#section-3.1.1.1}
 }
 \seealso{
 \link{HttpResponse}
diff -Nru r-cran-crul-1.3+dfsg/man/cookies.Rd r-cran-crul-1.4.0+dfsg/man/cookies.Rd
--- r-cran-crul-1.3+dfsg/man/cookies.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/cookies.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -9,7 +9,7 @@
 \examples{
 \dontrun{
 x <- HttpClient$new(
-  url = "https://httpbin.org",
+  url = "https://hb.opencpu.org",
   opts = list(
     cookie = "c=1;f=5",
     verbose = TRUE
@@ -21,7 +21,7 @@
 (res <- x$get("cookies"))
 jsonlite::fromJSON(res$parse("UTF-8"))
 
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 res <- x$get("cookies/set", query = list(foo = 123, bar = "ftw"))
 jsonlite::fromJSON(res$parse("UTF-8"))
 curl::handle_cookies(handle = res$handle)
diff -Nru r-cran-crul-1.3+dfsg/man/crul-options.Rd r-cran-crul-1.4.0+dfsg/man/crul-options.Rd
--- r-cran-crul-1.3+dfsg/man/crul-options.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/crul-options.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -64,7 +64,7 @@
 set_opts(verbose = TRUE)
 crul_settings()
 \dontrun{
-HttpClient$new('https://httpbin.org')$get('get')
+HttpClient$new('https://hb.opencpu.org')$get('get')
 }
 # set_verbose - sets: `verbose=TRUE`, and `debugfunction` to 
 # result of call to `curl_verbose()`, see `?curl_verbose`
@@ -87,7 +87,7 @@
 crul_settings()
 \dontrun{
 set_opts(verbose = TRUE)
-HttpClient$new('https://httpbin.org')$get('get')
+HttpClient$new('https://hb.opencpu.org')$get('get')
 }
 
 # reset
@@ -98,16 +98,16 @@
 ## Async
 set_opts(verbose = TRUE)
 cc <- Async$new(urls = c(
-    'https://httpbin.org/get?a=5',
-    'https://httpbin.org/get?foo=bar'))
+    'https://hb.opencpu.org/get?a=5',
+    'https://hb.opencpu.org/get?foo=bar'))
 (res <- cc$get())
 
 ## AsyncVaried
 set_opts(verbose = TRUE)
 set_headers(stuff = "things")
 reqlist <- list(
-  HttpRequest$new(url = "https://httpbin.org/get")$get(),
-  HttpRequest$new(url = "https://httpbin.org/post")$post())
+  HttpRequest$new(url = "https://hb.opencpu.org/get")$get(),
+  HttpRequest$new(url = "https://hb.opencpu.org/post")$post())
 out <- AsyncVaried$new(.list = reqlist)
 out$request()
 }
diff -Nru r-cran-crul-1.3+dfsg/man/curl-options.Rd r-cran-crul-1.4.0+dfsg/man/curl-options.Rd
--- r-cran-crul-1.3+dfsg/man/curl-options.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/curl-options.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -16,7 +16,7 @@
 }
 \examples{
 \dontrun{
-url <- "https://httpbin.org"
+url <- "https://hb.opencpu.org"
 
 # set curl options on client initialization
 (res <- HttpClient$new(url = url, opts = list(verbose = TRUE)))
diff -Nru r-cran-crul-1.3+dfsg/man/handle.Rd r-cran-crul-1.4.0+dfsg/man/handle.Rd
--- r-cran-crul-1.3+dfsg/man/handle.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/handle.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -15,11 +15,11 @@
 Make a handle
 }
 \examples{
-handle("https://httpbin.org")
+handle("https://hb.opencpu.org")
 
 # handles - pass in your own handle
 \dontrun{
-h <- handle("https://httpbin.org")
+h <- handle("https://hb.opencpu.org")
 (res <- HttpClient$new(handle = h))
 out <- res$get("get")
 }
diff -Nru r-cran-crul-1.3+dfsg/man/hooks.Rd r-cran-crul-1.4.0+dfsg/man/hooks.Rd
--- r-cran-crul-1.3+dfsg/man/hooks.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/hooks.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -30,7 +30,7 @@
 fun_req <- function(request) {
   cat(paste0("Requesting: ", request$url$url), sep = "\n")
 }
-(x <- HttpClient$new(url = "https://httpbin.org",
+(x <- HttpClient$new(url = "https://hb.opencpu.org",
   hooks = list(request = fun_req)))
 x$hooks
 x$hooks$request
@@ -41,7 +41,7 @@
   cat("Capturing Request", sep = "\n")
   captured_req <<- request
 }
-(x <- HttpClient$new(url = "https://httpbin.org",
+(x <- HttpClient$new(url = "https://hb.opencpu.org",
   hooks = list(request = fun_req2)))
 x$hooks
 x$hooks$request
@@ -54,14 +54,14 @@
 fun_resp <- function(response) {
   cat(paste0("status_code: ", response$status_code), sep = "\n")
 }
-(x <- HttpClient$new(url = "https://httpbin.org",
+(x <- HttpClient$new(url = "https://hb.opencpu.org",
   hooks = list(response = fun_resp)))
 x$url
 x$hooks
 r1 <- x$get('get')
 
 # both
-(x <- HttpClient$new(url = "https://httpbin.org",
+(x <- HttpClient$new(url = "https://hb.opencpu.org",
   hooks = list(request = fun_req, response = fun_resp)))
 x$get("get")
 }
diff -Nru r-cran-crul-1.3+dfsg/man/HttpClient.Rd r-cran-crul-1.4.0+dfsg/man/HttpClient.Rd
--- r-cran-crul-1.3+dfsg/man/HttpClient.Rd	2022-08-19 13:36:08.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/HttpClient.Rd	2023-05-10 21:59:01.000000000 +0000
@@ -23,7 +23,7 @@
 
 This is an R6 class from the package \pkg{R6}. Find out more
 about R6 at \url{https://r6.r-lib.org/}. After creating an instance of an R6
-class (e.g., \code{x <- HttpClient$new(url = "https://httpbin.org")}) you can
+class (e.g., \code{x <- HttpClient$new(url = "https://hb.opencpu.org")}) you can
 access values and methods on the object \code{x}.
 }
 
@@ -44,7 +44,7 @@
 \examples{
 \dontrun{
 # set your own handle
-(h <- handle("https://httpbin.org"))
+(h <- handle("https://hb.opencpu.org"))
 (x <- HttpClient$new(handle = h))
 x$handle
 x$url
@@ -59,7 +59,7 @@
 
 # if you just pass a url, we create a handle for you
 #  this is how most people will use HttpClient
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 x$url
 x$handle # is empty, it gets created when a HTTP verb is called
 (r1 <- x$get('get'))
@@ -96,7 +96,7 @@
 
 # query params are URL encoded for you, so DO NOT do it yourself
 ## if you url encode yourself, it gets double encoded, and that's bad
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 res <- x$get("get", query = list(a = 'hello world'))
 
 # access intermediate headers in response_headers_all
@@ -110,7 +110,7 @@
 ## ------------------------------------------------
 
 \dontrun{
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 x$verb('get')
 x$verb('GET')
 x$verb('GET', query = list(foo = "bar"))
@@ -122,7 +122,7 @@
 ## ------------------------------------------------
 
 \dontrun{
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 
 # retry, by default at most 3 times
 (res_get <- x$retry("GET", path = "status/400"))
@@ -138,7 +138,7 @@
 ## Method `HttpClient$url_fetch`
 ## ------------------------------------------------
 
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 x$url_fetch()
 x$url_fetch('get')
 x$url_fetch('post')
@@ -529,7 +529,7 @@
 \subsection{Examples}{
 \if{html}{\out{<div class="r example copy">}}
 \preformatted{\dontrun{
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 x$verb('get')
 x$verb('GET')
 x$verb('GET', query = list(foo = "bar"))
@@ -605,7 +605,7 @@
 \subsection{Examples}{
 \if{html}{\out{<div class="r example copy">}}
 \preformatted{\dontrun{
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 
 # retry, by default at most 3 times
 (res_get <- x$retry("GET", path = "status/400"))
@@ -659,7 +659,7 @@
 }
 \subsection{Examples}{
 \if{html}{\out{<div class="r example copy">}}
-\preformatted{x <- HttpClient$new(url = "https://httpbin.org")
+\preformatted{x <- HttpClient$new(url = "https://hb.opencpu.org")
 x$url_fetch()
 x$url_fetch('get')
 x$url_fetch('post')
diff -Nru r-cran-crul-1.3+dfsg/man/http-headers.Rd r-cran-crul-1.4.0+dfsg/man/http-headers.Rd
--- r-cran-crul-1.3+dfsg/man/http-headers.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/http-headers.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -8,11 +8,11 @@
 }
 \examples{
 \dontrun{
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 
 # set headers
 (res <- HttpClient$new(
-  url = "https://httpbin.org",
+  url = "https://hb.opencpu.org",
   opts = list(
     verbose = TRUE
   ),
@@ -31,7 +31,7 @@
 
 ## setting content-type via headers
 (res <- HttpClient$new(
-  url = "https://httpbin.org",
+  url = "https://hb.opencpu.org",
   opts = list(
     verbose = TRUE
   ),
diff -Nru r-cran-crul-1.3+dfsg/man/HttpRequest.Rd r-cran-crul-1.4.0+dfsg/man/HttpRequest.Rd
--- r-cran-crul-1.3+dfsg/man/HttpRequest.Rd	2022-08-19 13:36:08.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/HttpRequest.Rd	2023-05-10 21:59:01.000000000 +0000
@@ -24,13 +24,13 @@
 
 This is an R6 class from the package \pkg{R6}. Find out more
 about R6 at \url{https://r6.r-lib.org/}. After creating an instance of an R6
-class (e.g., \code{x <- HttpClient$new(url = "https://httpbin.org")}) you can
+class (e.g., \code{x <- HttpClient$new(url = "https://hb.opencpu.org")}) you can
 access values and methods on the object \code{x}.
 }
 
 \examples{
 \dontrun{
-x <- HttpRequest$new(url = "https://httpbin.org/get")
+x <- HttpRequest$new(url = "https://hb.opencpu.org/get")
 ## note here how the HTTP method is shown on the first line to the right
 x$get()
 
@@ -39,26 +39,30 @@
 ### get the HTTP method
 z$method()
 
-(x <- HttpRequest$new(url = "https://httpbin.org/get")$get())
+(x <- HttpRequest$new(url = "https://hb.opencpu.org/get")$get())
 x$url
 x$payload
 
-(x <- HttpRequest$new(url = "https://httpbin.org/post"))
+(x <- HttpRequest$new(url = "https://hb.opencpu.org/post"))
 x$post(body = list(foo = "bar"))
 
 HttpRequest$new(
-  url = "https://httpbin.org/get",
+  url = "https://hb.opencpu.org/get",
   headers = list(
     `Content-Type` = "application/json"
   )
 )
+
+# retry
+(x <- HttpRequest$new(url = "https://hb.opencpu.org/post"))
+x$retry("post", body = list(foo = "bar"))
 }
 
 ## ------------------------------------------------
 ## Method `HttpRequest$verb`
 ## ------------------------------------------------
 
-z <- HttpRequest$new(url = "https://httpbin.org/get")
+z <- HttpRequest$new(url = "https://hb.opencpu.org/get")
 res <- z$verb('get', query = list(hello = "world"))
 res$payload
 }
@@ -104,6 +108,7 @@
 \item \href{#method-HttpRequest-delete}{\code{HttpRequest$delete()}}
 \item \href{#method-HttpRequest-head}{\code{HttpRequest$head()}}
 \item \href{#method-HttpRequest-verb}{\code{HttpRequest$verb()}}
+\item \href{#method-HttpRequest-retry}{\code{HttpRequest$retry()}}
 \item \href{#method-HttpRequest-method}{\code{HttpRequest$method()}}
 \item \href{#method-HttpRequest-clone}{\code{HttpRequest$clone()}}
 }
@@ -404,7 +409,7 @@
 }
 \subsection{Examples}{
 \if{html}{\out{<div class="r example copy">}}
-\preformatted{z <- HttpRequest$new(url = "https://httpbin.org/get")
+\preformatted{z <- HttpRequest$new(url = "https://hb.opencpu.org/get")
 res <- z$verb('get', query = list(hello = "world"))
 res$payload
 }
@@ -414,6 +419,59 @@
 
 }
 \if{html}{\out{<hr>}}
+\if{html}{\out{<a id="method-HttpRequest-retry"></a>}}
+\if{latex}{\out{\hypertarget{method-HttpRequest-retry}{}}}
+\subsection{Method \code{retry()}}{
+Define a RETRY request
+\subsection{Usage}{
+\if{html}{\out{<div class="r">}}\preformatted{HttpRequest$retry(
+  verb,
+  ...,
+  pause_base = 1,
+  pause_cap = 60,
+  pause_min = 1,
+  times = 3,
+  terminate_on = NULL,
+  retry_only_on = NULL,
+  onwait = NULL
+)}\if{html}{\out{</div>}}
+}
+
+\subsection{Arguments}{
+\if{html}{\out{<div class="arguments">}}
+\describe{
+\item{\code{verb}}{an HTTP verb supported on this class: get,
+post, put, patch, delete, head. Also supports retry.}
+
+\item{\code{...}}{curl options, only those in the acceptable set from
+\code{\link[curl:curl_options]{curl::curl_options()}} except the following: httpget, httppost, post,
+postfields, postfieldsize, and customrequest}
+
+\item{\code{pause_base, pause_cap, pause_min}}{basis, maximum, and minimum for
+calculating wait time for retry. Wait time is calculated according to the
+exponential backoff with full jitter algorithm. Specifically, wait time is
+chosen randomly between \code{pause_min} and the lesser of \code{pause_base * 2} and
+\code{pause_cap}, with \code{pause_base} doubling on each subsequent retry attempt.
+Use \code{pause_cap = Inf} to not terminate retrying due to cap of wait time
+reached.}
+
+\item{\code{times}}{the maximum number of times to retry. Set to \code{Inf} to
+not stop retrying due to exhausting the number of attempts.}
+
+\item{\code{terminate_on, retry_only_on}}{a vector of HTTP status codes. For
+\code{terminate_on}, the status codes for which to terminate retrying, and for
+\code{retry_only_on}, the status codes for which to retry the request.}
+
+\item{\code{onwait}}{a callback function if the request will be retried and
+a wait time is being applied. The function will be passed two parameters,
+the response object from the failed request, and the wait time in seconds.
+Note that the time spent in the function effectively adds to the wait time,
+so it should be kept simple.}
+}
+\if{html}{\out{</div>}}
+}
+}
+\if{html}{\out{<hr>}}
 \if{html}{\out{<a id="method-HttpRequest-method"></a>}}
 \if{latex}{\out{\hypertarget{method-HttpRequest-method}{}}}
 \subsection{Method \code{method()}}{
diff -Nru r-cran-crul-1.3+dfsg/man/HttpResponse.Rd r-cran-crul-1.4.0+dfsg/man/HttpResponse.Rd
--- r-cran-crul-1.3+dfsg/man/HttpResponse.Rd	2022-08-19 13:36:08.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/HttpResponse.Rd	2023-05-10 21:59:01.000000000 +0000
@@ -37,17 +37,17 @@
 
 This is an R6 class from the package \pkg{R6}. Find out more
 about R6 at \url{https://r6.r-lib.org/}. After creating an instance of an R6
-class (e.g., \code{x <- HttpClient$new(url = "https://httpbin.org")}) you can
+class (e.g., \code{x <- HttpClient$new(url = "https://hb.opencpu.org")}) you can
 access values and methods on the object \code{x}.
 }
 
 \examples{
 \dontrun{
-x <- HttpResponse$new(method = "get", url = "https://httpbin.org")
+x <- HttpResponse$new(method = "get", url = "https://hb.opencpu.org")
 x$url
 x$method
 
-x <- HttpClient$new(url = 'https://httpbin.org')
+x <- HttpClient$new(url = 'https://hb.opencpu.org')
 (res <- x$get('get'))
 res$request_headers
 res$response_headers
@@ -59,11 +59,11 @@
 res$status_http()$explanation
 res$success()
 
-x <- HttpClient$new(url = 'https://httpbin.org/status/404')
+x <- HttpClient$new(url = 'https://hb.opencpu.org/status/404')
 (res <- x$get())
 # res$raise_for_status()
 
-x <- HttpClient$new(url = 'https://httpbin.org/status/414')
+x <- HttpClient$new(url = 'https://hb.opencpu.org/status/414')
 (res <- x$get())
 # res$raise_for_status()
 }
diff -Nru r-cran-crul-1.3+dfsg/man/mock.Rd r-cran-crul-1.4.0+dfsg/man/mock.Rd
--- r-cran-crul-1.3+dfsg/man/mock.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/mock.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -24,7 +24,7 @@
   library(webmockr)
   library(crul)
 
-  URL <- "https://httpbin.org"
+  URL <- "https://hb.opencpu.org"
 
   # turn on mocking
   crul::mock()
diff -Nru r-cran-crul-1.3+dfsg/man/ok.Rd r-cran-crul-1.4.0+dfsg/man/ok.Rd
--- r-cran-crul-1.3+dfsg/man/ok.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/ok.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -71,11 +71,11 @@
 # 200
 ok("https://www.google.com") 
 # 200
-ok("https://httpbin.org/status/200")
+ok("https://hb.opencpu.org/status/200")
 # more than one status
 ok("https://www.google.com", status = c(200L, 202L))
 # 404
-ok("https://httpbin.org/status/404")
+ok("https://hb.opencpu.org/status/404")
 # doesn't exist
 ok("https://stuff.bar")
 # doesn't exist
@@ -104,7 +104,7 @@
 ok("https://doi.org/10.1093/chemse/bjq042", useragent="foobar", ua_random=TRUE)
 
 # with HttpClient
-z <- crul::HttpClient$new("https://httpbin.org/status/404", 
+z <- crul::HttpClient$new("https://hb.opencpu.org/status/404", 
  opts = list(verbose = TRUE))
 ok(z)
 }
diff -Nru r-cran-crul-1.3+dfsg/man/Paginator.Rd r-cran-crul-1.4.0+dfsg/man/Paginator.Rd
--- r-cran-crul-1.3+dfsg/man/Paginator.Rd	2022-08-19 13:36:08.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/Paginator.Rd	2023-05-10 21:59:01.000000000 +0000
@@ -17,7 +17,7 @@
 
 This is an R6 class from the package \pkg{R6}. Find out more
 about R6 at \url{https://r6.r-lib.org/}. After creating an instance of an R6
-class (e.g., \code{x <- HttpClient$new(url = "https://httpbin.org")}) you can
+class (e.g., \code{x <- HttpClient$new(url = "https://hb.opencpu.org")}) you can
 access values and methods on the object \code{x}.
 }
 
diff -Nru r-cran-crul-1.3+dfsg/man/upload.Rd r-cran-crul-1.4.0+dfsg/man/upload.Rd
--- r-cran-crul-1.3+dfsg/man/upload.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/upload.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -19,7 +19,7 @@
 \dontrun{
 # image
 path <- file.path(Sys.getenv("R_DOC_DIR"), "html/logo.jpg")
-(x <- HttpClient$new(url = "https://eu.httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 res <- x$post(path = "post", body = list(y = upload(path)))
 res$content
 
diff -Nru r-cran-crul-1.3+dfsg/man/url_build.Rd r-cran-crul-1.4.0+dfsg/man/url_build.Rd
--- r-cran-crul-1.3+dfsg/man/url_build.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/url_build.Rd	2023-05-10 21:57:55.000000000 +0000
@@ -24,16 +24,16 @@
 Build and parse URLs
 }
 \examples{
-url_build("https://httpbin.org")
-url_build("https://httpbin.org", "get")
-url_build("https://httpbin.org", "post")
-url_build("https://httpbin.org", "get", list(foo = "bar"))
+url_build("https://hb.opencpu.org")
+url_build("https://hb.opencpu.org", "get")
+url_build("https://hb.opencpu.org", "post")
+url_build("https://hb.opencpu.org", "get", list(foo = "bar"))
 
-url_parse("httpbin.org")
-url_parse("http://httpbin.org")
-url_parse(url = "https://httpbin.org")
-url_parse("https://httpbin.org/get")
-url_parse("https://httpbin.org/get?foo=bar")
-url_parse("https://httpbin.org/get?foo=bar&stuff=things")
-url_parse("https://httpbin.org/get?foo=bar&stuff=things[]")
+url_parse("hb.opencpu.org")
+url_parse("https://hb.opencpu.org")
+url_parse(url = "https://hb.opencpu.org")
+url_parse("https://hb.opencpu.org/get")
+url_parse("https://hb.opencpu.org/get?foo=bar")
+url_parse("https://hb.opencpu.org/get?foo=bar&stuff=things")
+url_parse("https://hb.opencpu.org/get?foo=bar&stuff=things[]")
 }
diff -Nru r-cran-crul-1.3+dfsg/man/verb-DELETE.Rd r-cran-crul-1.4.0+dfsg/man/verb-DELETE.Rd
--- r-cran-crul-1.3+dfsg/man/verb-DELETE.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/verb-DELETE.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -14,14 +14,11 @@
 in UNIX: it expresses a deletion operation on the URI mapping of the
 origin server rather than an expectation that the previously
 associated information be deleted.
-
-See \url{https://tools.ietf.org/html/rfc7231#section-4.3.5} for further
-details.
 }
 
 \examples{
 \dontrun{
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 x$delete(path = 'delete')
 
 ## a list
@@ -38,7 +35,7 @@
 
 }
 \references{
-\url{https://tools.ietf.org/html/rfc7231#section-4.3.5}
+\url{https://datatracker.ietf.org/doc/html/rfc7231#section-4.3.5}
 }
 \seealso{
 \link{crul-package}
diff -Nru r-cran-crul-1.3+dfsg/man/verb-GET.Rd r-cran-crul-1.4.0+dfsg/man/verb-GET.Rd
--- r-cran-crul-1.3+dfsg/man/verb-GET.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/verb-GET.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -19,7 +19,7 @@
 It is tempting to think of resource identifiers as remote file system
 pathnames and of representations as being a copy of the contents of
 such files.  In fact, that is how many resources are implemented (see
-Section 9.1 (\url{https://tools.ietf.org/html/rfc7231#section-9.1})
+Section 9.1 (\url{https://datatracker.ietf.org/doc/html/rfc7231#section-9.1})
 for related security considerations).  However, there are
 no such limitations in practice.  The HTTP interface for a resource
 is just as likely to be implemented as a tree of content objects, a
@@ -36,7 +36,7 @@
 A client can alter the semantics of GET to be a "range request",
 requesting transfer of only some part(s) of the selected
 representation, by sending a Range header field in the request
-(RFC7233: \url{https://tools.ietf.org/html/rfc7233}).
+(RFC7233: \url{https://datatracker.ietf.org/doc/html/rfc7233}).
 
 A payload within a GET request message has no defined semantics;
 sending a payload body on a GET request might cause some existing
@@ -45,18 +45,18 @@
 The response to a GET request is cacheable; a cache MAY use it to
 satisfy subsequent GET and HEAD requests unless otherwise indicated
 by the Cache-Control header field (Section 5.2 of RFC7234:
-\url{https://tools.ietf.org/html/rfc7234#section-5.2}).
+\url{https://datatracker.ietf.org/doc/html/rfc7234#section-5.2}).
 }
 
 \examples{
 \dontrun{
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 x$get(path = 'get')
 }
 
 }
 \references{
-\url{https://tools.ietf.org/html/rfc7231#section-4.3.1}
+\url{https://datatracker.ietf.org/doc/html/rfc7231#section-4.3.1}
 }
 \seealso{
 \link{crul-package}
diff -Nru r-cran-crul-1.3+dfsg/man/verb-HEAD.Rd r-cran-crul-1.4.0+dfsg/man/verb-HEAD.Rd
--- r-cran-crul-1.3+dfsg/man/verb-HEAD.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/verb-HEAD.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -19,20 +19,17 @@
 without transferring the representation data and is often used for
 testing hypertext links for validity, accessibility, and recent
 modification.
-
-See \url{https://tools.ietf.org/html/rfc7231#section-4.3.2} for further
-details.
 }
 
 \examples{
 \dontrun{
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 x$head()
 }
 
 }
 \references{
-\url{https://tools.ietf.org/html/rfc7231#section-4.3.2}
+\url{https://datatracker.ietf.org/doc/html/rfc7231#section-4.3.2}
 }
 \seealso{
 \link{crul-package}
diff -Nru r-cran-crul-1.3+dfsg/man/verb-PATCH.Rd r-cran-crul-1.4.0+dfsg/man/verb-PATCH.Rd
--- r-cran-crul-1.3+dfsg/man/verb-PATCH.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/verb-PATCH.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -15,20 +15,17 @@
 point to an existing resource, the server MAY create a new resource,
 depending on the patch document type (whether it can logically modify
 a null resource) and permissions, etc.
-
-See \url{https://tools.ietf.org/html/rfc5789#section-2} for further
-details.
 }
 
 \examples{
 \dontrun{
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 x$patch(path = 'patch', body = list(hello = "mars"))
 }
 
 }
 \references{
-\url{https://tools.ietf.org/html/rfc5789}
+\url{https://datatracker.ietf.org/doc/html/rfc5789}
 }
 \seealso{
 \link{crul-package}
diff -Nru r-cran-crul-1.3+dfsg/man/verb-POST.Rd r-cran-crul-1.4.0+dfsg/man/verb-POST.Rd
--- r-cran-crul-1.3+dfsg/man/verb-POST.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/verb-POST.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -13,17 +13,14 @@
 result of successfully processing a POST request, the origin server
 SHOULD send a 201 (Created) response containing a Location header
 field that provides an identifier for the primary resource created
-(Section 7.1.2 \url{https://tools.ietf.org/html/rfc7231#section-7.1.2})
+(Section 7.1.2 \url{https://datatracker.ietf.org/doc/html/rfc7231#section-7.1.2})
 and a representation that describes the status of the
 request while referring to the new resource(s).
-
-See \url{https://tools.ietf.org/html/rfc7231#section-4.3.3} for further
-details.
 }
 
 \examples{
 \dontrun{
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 
 # a named list
 x$post(path='post', body = list(hello = "world"))
@@ -60,7 +57,7 @@
 
 }
 \references{
-\url{https://tools.ietf.org/html/rfc7231#section-4.3.3}
+\url{https://datatracker.ietf.org/doc/html/rfc7231#section-4.3.3}
 }
 \seealso{
 \link{crul-package}
diff -Nru r-cran-crul-1.3+dfsg/man/verb-PUT.Rd r-cran-crul-1.4.0+dfsg/man/verb-PUT.Rd
--- r-cran-crul-1.3+dfsg/man/verb-PUT.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/verb-PUT.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -30,20 +30,17 @@
 representation, then the origin server MUST send either a 200 (OK) or
 a 204 (No Content) response to indicate successful completion of the
 request.
-
-See \url{https://tools.ietf.org/html/rfc7231#section-4.3.4} for further
-details.
 }
 
 \examples{
 \dontrun{
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 x$put(path = 'put', body = list(foo = "bar"))
 }
 
 }
 \references{
-\url{https://tools.ietf.org/html/rfc7231#section-4.3.4}
+\url{https://datatracker.ietf.org/doc/html/rfc7231#section-4.3.4}
 }
 \seealso{
 \link{crul-package}
diff -Nru r-cran-crul-1.3+dfsg/man/writing-options.Rd r-cran-crul-1.4.0+dfsg/man/writing-options.Rd
--- r-cran-crul-1.3+dfsg/man/writing-options.Rd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/man/writing-options.Rd	2023-05-10 21:53:12.000000000 +0000
@@ -9,7 +9,7 @@
 \examples{
 \dontrun{
 # write to disk
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 f <- tempfile()
 res <- x$get("get", disk = f)
 res$content # when using write to disk, content is a path
@@ -17,7 +17,7 @@
 close(file(f))
 
 # streaming response
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 res <- x$get('stream/50', stream = function(x) cat(rawToChar(x)))
 res$content # when streaming, content is NULL
 
@@ -25,11 +25,11 @@
 ## Async
 (cc <- Async$new(
   urls = c(
-    'https://httpbin.org/get?a=5',
-    'https://httpbin.org/get?foo=bar',
-    'https://httpbin.org/get?b=4',
-    'https://httpbin.org/get?stuff=things',
-    'https://httpbin.org/get?b=4&g=7&u=9&z=1'
+    'https://hb.opencpu.org/get?a=5',
+    'https://hb.opencpu.org/get?foo=bar',
+    'https://hb.opencpu.org/get?b=4',
+    'https://hb.opencpu.org/get?stuff=things',
+    'https://hb.opencpu.org/get?b=4&g=7&u=9&z=1'
   )
 ))
 files <- replicate(5, tempfile())
@@ -40,9 +40,9 @@
 ### disk
 f <- tempfile()
 g <- tempfile()
-req1 <- HttpRequest$new(url = "https://httpbin.org/get")$get(disk = f)
-req2 <- HttpRequest$new(url = "https://httpbin.org/post")$post(disk = g)
-req3 <- HttpRequest$new(url = "https://httpbin.org/get")$get()
+req1 <- HttpRequest$new(url = "https://hb.opencpu.org/get")$get(disk = f)
+req2 <- HttpRequest$new(url = "https://hb.opencpu.org/post")$post(disk = g)
+req3 <- HttpRequest$new(url = "https://hb.opencpu.org/get")$get()
 (out <- AsyncVaried$new(req1, req2, req3))
 out$request()
 out$content()
@@ -54,9 +54,9 @@
 
 ### stream - to console
 fun <- function(x) print(x)
-req1 <- HttpRequest$new(url = "https://httpbin.org/get"
+req1 <- HttpRequest$new(url = "https://hb.opencpu.org/get"
 )$get(query = list(foo = "bar"), stream = fun)
-req2 <- HttpRequest$new(url = "https://httpbin.org/get"
+req2 <- HttpRequest$new(url = "https://hb.opencpu.org/get"
 )$get(query = list(hello = "world"), stream = fun)
 (out <- AsyncVaried$new(req1, req2))
 out$request()
@@ -65,9 +65,9 @@
 ### stream - to an R object
 lst <- list()
 fun <- function(x) lst <<- append(lst, list(x))
-req1 <- HttpRequest$new(url = "https://httpbin.org/get"
+req1 <- HttpRequest$new(url = "https://hb.opencpu.org/get"
 )$get(query = list(foo = "bar"), stream = fun)
-req2 <- HttpRequest$new(url = "https://httpbin.org/get"
+req2 <- HttpRequest$new(url = "https://hb.opencpu.org/get"
 )$get(query = list(hello = "world"), stream = fun)
 (out <- AsyncVaried$new(req1, req2))
 out$request()
diff -Nru r-cran-crul-1.3+dfsg/MD5 r-cran-crul-1.4.0+dfsg/MD5
--- r-cran-crul-1.3+dfsg/MD5	2022-09-03 06:30:10.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/MD5	2023-05-17 07:30:02.000000000 +0000
@@ -1,103 +1,103 @@
-e272d5c67024e2956ba7e78700ddb84b *DESCRIPTION
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 ae9eebb8e6b4268115c8ef982c37b485 *LICENSE
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 c1dfff9048e89f9970337c3ed0166431 *tests/testthat/test-client-head.R
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 97e6ad729842dbba9bb092436fa9c238 *tests/testthat/test-client-patch.R
 594adc6559319e14e59e515eb07c8d05 *tests/testthat/test-client-post.R
 a9df544878988bbb6dbdd4549c3d4f82 *tests/testthat/test-client-put.R
 69a1da5481e5e9fd713129b671c839ae *tests/testthat/test-client-query.R
 9e9ed8ef80041279d97a9cf28ad90266 *tests/testthat/test-client-status.R
 f2ccf3cd4a0fe14df5ffb1b984fbaa1f *tests/testthat/test-client-verb.R
-40a23f61ba524f6e470174118830a417 *tests/testthat/test-client.R
-c6b30fcb25ca74655e6ab37f2b0eca9b *tests/testthat/test-content-type.R
+24f9bcfbd6b6582b9e8614ea6b8dad48 *tests/testthat/test-client.R
+5620c23542322263319c6184908676e9 *tests/testthat/test-content-type.R
 d2110c49a612715bb21cb046f5bc5235 *tests/testthat/test-curl_verbose.R
 884ff1183dfa2e484f450fb5bfb9f772 *tests/testthat/test-handle.R
 6a5d2d94bd8d5688f34a21a752593ad1 *tests/testthat/test-head_parse.R
@@ -108,22 +108,22 @@
 1f3b4e842ac478e6289c8f4daf5840cd *tests/testthat/test-paths.R
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-d4123eb97d9d837c7e1d92d526ca07b1 *tests/testthat/test-retry.R
+b1afddca7a9b66808866ca6383fa8efa *tests/testthat/test-response.R
+c0c93621240207a4663cc7e89a81f876 *tests/testthat/test-retry.R
 b9b0bea964c03aa127360be96ceb2f04 *tests/testthat/test-set.R
-52f7afaf7c640bf75a9ba8d4dda12b89 *tests/testthat/test-url_build_parse.R
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 4b135ff30cb3bad8e0e58fde88a1dea6 *tests/testthat/test-url_fetch.R
 312b4ca269d13bd1b0d7d36f2e63f5ef *tests/testthat/test-user-agent.R
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diff -Nru r-cran-crul-1.3+dfsg/NEWS.md r-cran-crul-1.4.0+dfsg/NEWS.md
--- r-cran-crul-1.3+dfsg/NEWS.md	2022-08-28 13:54:21.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/NEWS.md	2023-05-10 22:15:26.000000000 +0000
@@ -1,3 +1,11 @@
+crul 1.4
+========
+
+### ASYNC RETRIES
+
+Via the two issues (#135) and (#159) `crul` now supports http retries in: `Async`, `AsyncVaried`, `AsyncQueue`, and the request builder class `HttpRequest`
+
+
 crul 1.3
 ========
 
diff -Nru r-cran-crul-1.3+dfsg/R/async-queue.R r-cran-crul-1.4.0+dfsg/R/async-queue.R
--- r-cran-crul-1.3+dfsg/R/async-queue.R	2021-12-29 20:07:02.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/async-queue.R	2023-05-10 21:49:05.000000000 +0000
@@ -4,23 +4,24 @@
 #' @family async
 #' @template r6
 #' @examples \dontrun{
-#' # Using sleep
+#' # Using sleep (note this works with retry requests)
 #' reqlist <- list(
-#'   HttpRequest$new(url = "https://httpbin.org/get")$get(),
-#'   HttpRequest$new(url = "https://httpbin.org/post")$post(),
-#'   HttpRequest$new(url = "https://httpbin.org/put")$put(),
-#'   HttpRequest$new(url = "https://httpbin.org/delete")$delete(),
-#'   HttpRequest$new(url = "https://httpbin.org/get?g=5")$get(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/get")$get(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/post")$post(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/put")$put(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/delete")$delete(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/get?g=5")$get(),
 #'   HttpRequest$new(
-#'     url = "https://httpbin.org/post")$post(body = list(y = 9)),
+#'     url = "https://hb.opencpu.org/post")$post(body = list(y = 9)),
 #'   HttpRequest$new(
-#'     url = "https://httpbin.org/get")$get(query = list(hello = "world")),
+#'     url = "https://hb.opencpu.org/get")$get(query = list(hello = "world")),
 #'   HttpRequest$new(url = "https://ropensci.org")$get(),
 #'   HttpRequest$new(url = "https://ropensci.org/about")$get(),
 #'   HttpRequest$new(url = "https://ropensci.org/packages")$get(),
 #'   HttpRequest$new(url = "https://ropensci.org/community")$get(),
 #'   HttpRequest$new(url = "https://ropensci.org/blog")$get(),
-#'   HttpRequest$new(url = "https://ropensci.org/careers")$get()
+#'   HttpRequest$new(url = "https://ropensci.org/careers")$get(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/status/404")$retry("get")
 #' )
 #' out <- AsyncQueue$new(.list = reqlist, bucket_size = 5, sleep = 3)
 #' out
@@ -28,7 +29,7 @@
 #' out$requests() # list requests
 #' out$request() # make requests
 #' out$responses() # list responses
-#' 
+#'
 #' # Using requests per minute
 #' if (interactive()) {
 #' x="https://raw.githubusercontent.com/ropensci/roregistry/gh-pages/registry.json"
@@ -40,7 +41,7 @@
 #' reqs <- lapply(repos[1:50], function(w) {
 #'   HttpRequest$new(paste0("https://api.github.com/repos/", w), headers = auth)$get()
 #' })
-#' 
+#'
 #' out <- AsyncQueue$new(.list = reqs, req_per_min = 30)
 #' out
 #' out$bucket_size
@@ -81,7 +82,7 @@
     #' if `NULL` (default), its ignored
     #' @details Must set either `sleep` or `req_per_min`. If you set
     #' `req_per_min` we calculate a new `bucket_size` when `$new()` is
-    #' called 
+    #' called
     #' @return A new `AsyncQueue` object
     initialize = function(..., .list = list(), bucket_size = 5,
       sleep = NULL, req_per_min = NULL) {
diff -Nru r-cran-crul-1.3+dfsg/R/async.R r-cran-crul-1.4.0+dfsg/R/async.R
--- r-cran-crul-1.3+dfsg/R/async.R	2022-08-19 13:33:45.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/async.R	2023-05-10 21:48:02.000000000 +0000
@@ -24,9 +24,9 @@
 #' @examples \dontrun{
 #' cc <- Async$new(
 #'   urls = c(
-#'     'https://httpbin.org/',
-#'     'https://httpbin.org/get?a=5',
-#'     'https://httpbin.org/get?foo=bar'
+#'     'https://hb.opencpu.org/',
+#'     'https://hb.opencpu.org/get?a=5',
+#'     'https://hb.opencpu.org/get?foo=bar'
 #'   )
 #' )
 #' cc
@@ -43,9 +43,9 @@
 #' 
 #' # curl options/headers with async
 #' urls = c(
-#'  'https://httpbin.org/',
-#'  'https://httpbin.org/get?a=5',
-#'  'https://httpbin.org/get?foo=bar'
+#'  'https://hb.opencpu.org/',
+#'  'https://hb.opencpu.org/get?a=5',
+#'  'https://hb.opencpu.org/get?foo=bar'
 #' )
 #' cc <- Async$new(urls = urls, 
 #'   opts = list(verbose = TRUE),
@@ -56,7 +56,7 @@
 #' 
 #' # using auth with async
 #' dd <- Async$new(
-#'   urls = rep('https://httpbin.org/basic-auth/user/passwd', 3),
+#'   urls = rep('https://hb.opencpu.org/basic-auth/user/passwd', 3),
 #'   auth = auth(user = "foo", pwd = "passwd"),
 #'   opts = list(verbose = TRUE)
 #' )
@@ -70,12 +70,17 @@
 #' # failure behavior
 #' ## e.g. when a URL doesn't exist, a timeout, etc.
 #' urls <- c("http://stuffthings.gvb", "https://foo.com", 
-#'   "https://httpbin.org/get")
+#'   "https://hb.opencpu.org/get")
 #' conn <- Async$new(urls = urls)
 #' res <- conn$get()
 #' res[[1]]$parse("UTF-8") # a failure
 #' res[[2]]$parse("UTF-8") # a failure
 #' res[[3]]$parse("UTF-8") # a success
+#' 
+#' # retry
+#' urls = c("https://hb.opencpu.org/status/404", "https://hb.opencpu.org/status/429")
+#' conn <- Async$new(urls = urls)
+#' res <- conn$retry(verb="get")
 #' }
 Async <- R6::R6Class(
   'Async',
@@ -146,9 +151,9 @@
     #' execute the `GET` http verb for the `urls`
     #' @examples \dontrun{
     #' (cc <- Async$new(urls = c(
-    #'     'https://httpbin.org/',
-    #'     'https://httpbin.org/get?a=5',
-    #'     'https://httpbin.org/get?foo=bar'
+    #'     'https://hb.opencpu.org/',
+    #'     'https://hb.opencpu.org/get?a=5',
+    #'     'https://hb.opencpu.org/get?foo=bar'
     #'   )))
     #' (res <- cc$get())
     #' }
@@ -205,15 +210,21 @@
     },
 
     #' @description
+    #' execute the `RETRY` http verb for the `urls`. see [`HttpRequest$retry`][HttpRequest] method for parameters
+    retry = function(...) {
+      private$gen_interface(self$urls, "retry", ...)
+    },
+
+    #' @description
     #' execute any supported HTTP verb
     #' @param verb (character) a supported HTTP verb: get, post, put, patch, delete,
     #' head.
     #' @examples \dontrun{
     #' cc <- Async$new(
     #'   urls = c(
-    #'     'https://httpbin.org/',
-    #'     'https://httpbin.org/get?a=5',
-    #'     'https://httpbin.org/get?foo=bar'
+    #'     'https://hb.opencpu.org/',
+    #'     'https://hb.opencpu.org/get?a=5',
+    #'     'https://hb.opencpu.org/get?foo=bar'
     #'   )
     #' )
     #' (res <- cc$verb('get'))
@@ -276,7 +287,11 @@
             head = HttpRequest$new(url = z, opts = self$opts, 
               proxies = self$proxies, auth = self$auth,
               headers = self$headers
-            )$head(path = path, ...)
+            )$head(path = path, ...),
+            retry = HttpRequest$new(url = z, opts = self$opts, 
+              proxies = self$proxies, auth = self$auth, 
+              headers = self$headers
+            )$retry(...)
           )
         }, x, disk)
       } else {
@@ -318,7 +333,11 @@
             head = HttpRequest$new(url = z, opts = self$opts, 
               proxies = self$proxies, auth = self$auth, 
               headers = self$headers
-            )$head(path = path, ...)
+            )$head(path = path, ...),
+            retry = HttpRequest$new(url = z, opts = self$opts, 
+              proxies = self$proxies, auth = self$auth, 
+              headers = self$headers
+            )$retry(...)
           )
         })
       }
diff -Nru r-cran-crul-1.3+dfsg/R/asyncvaried.R r-cran-crul-1.4.0+dfsg/R/asyncvaried.R
--- r-cran-crul-1.3+dfsg/R/asyncvaried.R	2021-11-19 14:58:37.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/asyncvaried.R	2023-05-10 21:48:44.000000000 +0000
@@ -8,16 +8,16 @@
 #' @template async-deets
 #' @template r6
 #' @return An object of class `AsyncVaried` with variables and methods.
-#' [HttpResponse] objects are returned in the order they are passed in. 
+#' [HttpResponse] objects are returned in the order they are passed in.
 #' We print the first 10.
 #' @examples \dontrun{
 #' # pass in requests via ...
 #' req1 <- HttpRequest$new(
-#'   url = "https://httpbin.org/get",
+#'   url = "https://hb.opencpu.org/get",
 #'   opts = list(verbose = TRUE),
 #'   headers = list(foo = "bar")
 #' )$get()
-#' req2 <- HttpRequest$new(url = "https://httpbin.org/post")$post()
+#' req2 <- HttpRequest$new(url = "https://hb.opencpu.org/post")$post()
 #'
 #' # Create an AsyncVaried object
 #' out <- AsyncVaried$new(req1, req2)
@@ -46,15 +46,15 @@
 #' out$parse()
 #' ## response objects
 #' out$responses()
-#' 
+#'
 #' # use $verb() method to select http verb
 #' method <- "post"
 #' req1 <- HttpRequest$new(
-#'   url = "https://httpbin.org/post",
+#'   url = "https://hb.opencpu.org/post",
 #'   opts = list(verbose = TRUE),
 #'   headers = list(foo = "bar")
 #' )$verb(method)
-#' req2 <- HttpRequest$new(url = "https://httpbin.org/post")$verb(method)
+#' req2 <- HttpRequest$new(url = "https://hb.opencpu.org/post")$verb(method)
 #' out <- AsyncVaried$new(req1, req2)
 #' out
 #' out$request()
@@ -62,15 +62,15 @@
 #'
 #' # pass in requests in a list via .list param
 #' reqlist <- list(
-#'   HttpRequest$new(url = "https://httpbin.org/get")$get(),
-#'   HttpRequest$new(url = "https://httpbin.org/post")$post(),
-#'   HttpRequest$new(url = "https://httpbin.org/put")$put(),
-#'   HttpRequest$new(url = "https://httpbin.org/delete")$delete(),
-#'   HttpRequest$new(url = "https://httpbin.org/get?g=5")$get(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/get")$get(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/post")$post(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/put")$put(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/delete")$delete(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/get?g=5")$get(),
 #'   HttpRequest$new(
-#'     url = "https://httpbin.org/post")$post(body = list(y = 9)),
+#'     url = "https://hb.opencpu.org/post")$post(body = list(y = 9)),
 #'   HttpRequest$new(
-#'     url = "https://httpbin.org/get")$get(query = list(hello = "world"))
+#'     url = "https://hb.opencpu.org/get")$get(query = list(hello = "world"))
 #' )
 #'
 #' out <- AsyncVaried$new(.list = reqlist)
@@ -80,9 +80,9 @@
 #' out$content()
 #' out$times()
 #' out$parse()
-#' 
+#'
 #' # using auth with async
-#' url <- "https://httpbin.org/basic-auth/user/passwd"
+#' url <- "https://hb.opencpu.org/basic-auth/user/passwd"
 #' auth <- auth(user = "user", pwd = "passwd")
 #' reqlist <- list(
 #'   HttpRequest$new(url = url, auth = auth)$get(),
@@ -93,20 +93,20 @@
 #' out$request()
 #' out$status()
 #' out$parse()
-#' 
+#'
 #' # failure behavior
 #' ## e.g. when a URL doesn't exist, a timeout, etc.
 #' reqlist <- list(
 #'   HttpRequest$new(url = "http://stuffthings.gvb")$get(),
-#'   HttpRequest$new(url = "https://httpbin.org")$head(),
-#'   HttpRequest$new(url = "https://httpbin.org", 
+#'   HttpRequest$new(url = "https://hb.opencpu.org")$head(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org",
 #'    opts = list(timeout_ms = 10))$head()
 #' )
 #' (tmp <- AsyncVaried$new(.list = reqlist))
 #' tmp$request()
 #' tmp$responses()
 #' tmp$parse("UTF-8")
-#' 
+#'
 #' # access intemediate redirect headers
 #' dois <- c("10.7202/1045307ar", "10.1242/jeb.088898", "10.1121/1.3383963")
 #' reqlist <- list(
@@ -118,10 +118,23 @@
 #' tmp$request()
 #' tmp
 #' lapply(tmp$responses(), "[[", "response_headers_all")
+#'
+#' # retry
+#' reqlist <- list(
+#'   HttpRequest$new(url = "https://hb.opencpu.org/get")$get(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/post")$post(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/status/404")$retry("get"),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/status/429")$retry("get",
+#'    retry_only_on = c(403, 429), times = 2)
+#' )
+#' tmp <- AsyncVaried$new(.list = reqlist)
+#' tmp
+#' tmp$request()
+#' tmp$responses()[[3]]
 #' }
 AsyncVaried <- R6::R6Class(
   "AsyncVaried",
-  public = list(    
+  public = list(
     #' @description print method for AsyncVaried objects
     #' @param x self
     #' @param ... ignored
@@ -130,8 +143,9 @@
       cat(sprintf("  requests: (n: %s)", length(private$reqs)), sep = "\n")
       print_urls <- private$reqs[1:min(c(length(private$reqs), 10))]
       for (i in seq_along(print_urls)) {
+        retry_note <- if ("retry_options" %in% names(print_urls[[i]]$payload)) " (retry)" else ""
         cat(sprintf("   %s: %s",
-                    print_urls[[i]]$payload$method,
+                    paste0(print_urls[[i]]$payload$method, retry_note),
                     print_urls[[i]]$url), "\n")
       }
       if (length(private$reqs) > 10) {
@@ -224,6 +238,49 @@
     output = NULL,
 
     async_request = function(reqs) {
+      retry <- function(i, handle, pause_base, pause_cap, pause_min, times,
+        terminate_on, retry_only_on, onwait)
+      {
+        curl::multi_add(handle, pool = crulpool, done = function(res) {
+          if (
+            (res$status_code >= 400) &&
+            (! res$status_code %in% terminate_on) &&
+            (is.null(retry_only_on) || res$status_code %in% retry_only_on) &&
+            (times > 0) &&
+            (pause_base < pause_cap)
+          ) {
+            rh <- res$response_headers
+            if (! is.null(rh[["retry-after"]])) {
+              wait_time <- as.numeric(rh[["retry-after"]])
+            } else if (identical(rh[["x-ratelimit-remaining"]], "0") &&
+                       !is.null(rh[["x-ratelimit-reset"]])) {
+              wait_time <- max(0, as.numeric(rh[["x-ratelimit-reset"]]) -
+                as.numeric(Sys.time()))
+            } else {
+              if (is.null(pause_min)) pause_min <- pause_base
+              # exponential backoff with full jitter
+              wait_time <- stats::runif(1,
+                                       min = pause_min,
+                                       max = min(pause_base * 2, pause_cap))
+            }
+            if (! (wait_time > pause_cap)) {
+              if (is.function(onwait)) onwait(res, wait_time)
+              Sys.sleep(wait_time)
+              retry(i, handle,
+                    pause_base = pause_base * 2,
+                    pause_cap = pause_cap,
+                    pause_min = pause_min,
+                    times = times - 1,
+                    terminate_on = terminate_on,
+                    retry_only_on = retry_only_on,
+                    onwait = onwait)
+            }
+          } else {
+            multi_res[[i]] <<- res
+          }
+        })
+      }
+
       crulpool <- curl::new_pool()
       multi_res <- list()
 
@@ -236,7 +293,9 @@
         }
         curl::handle_setheaders(h, .list = w$headers)
 
-        if (is.null(w$disk) && is.null(w$stream)) {
+        if ("retry_options" %in% names(w)) {
+          do.call(retry, c(list(i=i, handle=h), w$retry_options))
+        } else if (is.null(w$disk) && is.null(w$stream)) {
           curl::multi_add(
             handle = h,
             done = function(res) multi_res[[i]] <<- res,
@@ -277,7 +336,6 @@
 
       for (i in seq_along(reqs)) make_request(i)
 
-      # run all requests
       curl::multi_run(pool = crulpool)
       remain <- curl::multi_list(crulpool)
       if (length(remain)) lapply(remain, curl::multi_cancel)
@@ -318,8 +376,8 @@
 )
 
 make_async_error <- function(x, req) {
-  list(url = req$url$url, status_code = 0, headers = raw(0), 
-    modified = NA_character_, times = NA_character_, 
+  list(url = req$url$url, status_code = 0, headers = raw(0),
+    modified = NA_character_, times = NA_character_,
     content = charToRaw(x))
 }
 
diff -Nru r-cran-crul-1.3+dfsg/R/auth.R r-cran-crul-1.4.0+dfsg/R/auth.R
--- r-cran-crul-1.3+dfsg/R/auth.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/auth.R	2023-05-10 21:48:54.000000000 +0000
@@ -27,7 +27,7 @@
 #' \dontrun{
 #' # with HttpClient
 #' (res <- HttpClient$new(
-#'   url = "https://httpbin.org/basic-auth/user/passwd",
+#'   url = "https://hb.opencpu.org/basic-auth/user/passwd",
 #'   auth = auth(user = "user", pwd = "passwd")
 #' ))
 #' res$auth
@@ -36,7 +36,7 @@
 #'
 #' # with HttpRequest
 #' (res <- HttpRequest$new(
-#'   url = "https://httpbin.org/basic-auth/user/passwd",
+#'   url = "https://hb.opencpu.org/basic-auth/user/passwd",
 #'   auth = auth(user = "user", pwd = "passwd")
 #' ))
 #' res$auth
diff -Nru r-cran-crul-1.3+dfsg/R/client.R r-cran-crul-1.4.0+dfsg/R/client.R
--- r-cran-crul-1.3+dfsg/R/client.R	2021-11-16 16:31:58.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/client.R	2023-05-10 21:50:13.000000000 +0000
@@ -46,7 +46,7 @@
 #'
 #' @examples \dontrun{
 #' # set your own handle
-#' (h <- handle("https://httpbin.org"))
+#' (h <- handle("https://hb.opencpu.org"))
 #' (x <- HttpClient$new(handle = h))
 #' x$handle
 #' x$url
@@ -61,7 +61,7 @@
 #'
 #' # if you just pass a url, we create a handle for you
 #' #  this is how most people will use HttpClient
-#' (x <- HttpClient$new(url = "https://httpbin.org"))
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org"))
 #' x$url
 #' x$handle # is empty, it gets created when a HTTP verb is called
 #' (r1 <- x$get('get'))
@@ -98,7 +98,7 @@
 #'
 #' # query params are URL encoded for you, so DO NOT do it yourself
 #' ## if you url encode yourself, it gets double encoded, and that's bad
-#' (x <- HttpClient$new(url = "https://httpbin.org"))
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org"))
 #' res <- x$get("get", query = list(a = 'hello world'))
 #'
 #' # access intermediate headers in response_headers_all
@@ -344,7 +344,7 @@
     #' @param verb an HTTP verb supported on this class: "get",
     #' "post", "put", "patch", "delete", "head". Also supports retry.
     #' @examples \dontrun{
-    #' (x <- HttpClient$new(url = "https://httpbin.org"))
+    #' (x <- HttpClient$new(url = "https://hb.opencpu.org"))
     #' x$verb('get')
     #' x$verb('GET')
     #' x$verb('GET', query = list(foo = "bar"))
@@ -386,7 +386,7 @@
     #' Note that the time spent in the function effectively adds to the wait time,
     #' so it should be kept simple.
     #' @examples \dontrun{
-    #' x <- HttpClient$new(url = "https://httpbin.org")
+    #' x <- HttpClient$new(url = "https://hb.opencpu.org")
     #'
     #' # retry, by default at most 3 times
     #' (res_get <- x$retry("GET", path = "status/400"))
@@ -454,7 +454,7 @@
     #' parameters; body and any curl options don't change the URL
     #' @return URL (character)
     #' @examples
-    #' x <- HttpClient$new(url = "https://httpbin.org")
+    #' x <- HttpClient$new(url = "https://hb.opencpu.org")
     #' x$url_fetch()
     #' x$url_fetch('get')
     #' x$url_fetch('post')
diff -Nru r-cran-crul-1.3+dfsg/R/content-types.R r-cran-crul-1.4.0+dfsg/R/content-types.R
--- r-cran-crul-1.3+dfsg/R/content-types.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/content-types.R	2023-05-10 21:50:22.000000000 +0000
@@ -26,14 +26,14 @@
 #'
 #' @references
 #' spec for content types:
-#' <https://tools.ietf.org/html/rfc7231#section-3.1.1.5>
+#' <https://datatracker.ietf.org/doc/html/rfc7231#section-3.1.1.5>
 #'
 #' spec for media types:
-#' <https://tools.ietf.org/html/rfc7231#section-3.1.1.1>
+#' <https://datatracker.ietf.org/doc/html/rfc7231#section-3.1.1.1>
 #'
 #' @seealso [HttpResponse]
 #' @examples \dontrun{
-#' (x <- HttpClient$new(url = "https://httpbin.org"))
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org"))
 #' (res <- x$get())
 #'
 #' ## see the content type
diff -Nru r-cran-crul-1.3+dfsg/R/cookies.R r-cran-crul-1.4.0+dfsg/R/cookies.R
--- r-cran-crul-1.3+dfsg/R/cookies.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/cookies.R	2023-05-10 21:50:28.000000000 +0000
@@ -3,7 +3,7 @@
 #' @name cookies
 #' @examples \dontrun{
 #' x <- HttpClient$new(
-#'   url = "https://httpbin.org",
+#'   url = "https://hb.opencpu.org",
 #'   opts = list(
 #'     cookie = "c=1;f=5",
 #'     verbose = TRUE
@@ -15,7 +15,7 @@
 #' (res <- x$get("cookies"))
 #' jsonlite::fromJSON(res$parse("UTF-8"))
 #'
-#' (x <- HttpClient$new(url = "https://httpbin.org"))
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org"))
 #' res <- x$get("cookies/set", query = list(foo = 123, bar = "ftw"))
 #' jsonlite::fromJSON(res$parse("UTF-8"))
 #' curl::handle_cookies(handle = res$handle)
diff -Nru r-cran-crul-1.3+dfsg/R/curl-options.R r-cran-crul-1.4.0+dfsg/R/curl-options.R
--- r-cran-crul-1.3+dfsg/R/curl-options.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/curl-options.R	2023-05-10 21:50:39.000000000 +0000
@@ -11,7 +11,7 @@
 #' @aliases user-agent verbose timeout
 #'
 #' @examples \dontrun{
-#' url <- "https://httpbin.org"
+#' url <- "https://hb.opencpu.org"
 #' 
 #' # set curl options on client initialization
 #' (res <- HttpClient$new(url = url, opts = list(verbose = TRUE)))
diff -Nru r-cran-crul-1.3+dfsg/R/handle.R r-cran-crul-1.4.0+dfsg/R/handle.R
--- r-cran-crul-1.3+dfsg/R/handle.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/handle.R	2023-05-10 21:50:51.000000000 +0000
@@ -4,11 +4,11 @@
 #' @param url (character) A url. required.
 #' @param ... options passed on to [curl::new_handle()]
 #' @examples
-#' handle("https://httpbin.org")
+#' handle("https://hb.opencpu.org")
 #'
 #' # handles - pass in your own handle
 #' \dontrun{
-#' h <- handle("https://httpbin.org")
+#' h <- handle("https://hb.opencpu.org")
 #' (res <- HttpClient$new(handle = h))
 #' out <- res$get("get")
 #' }
diff -Nru r-cran-crul-1.3+dfsg/R/hooks.R r-cran-crul-1.4.0+dfsg/R/hooks.R
--- r-cran-crul-1.3+dfsg/R/hooks.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/hooks.R	2023-05-10 21:51:04.000000000 +0000
@@ -22,7 +22,7 @@
 #' fun_req <- function(request) {
 #'   cat(paste0("Requesting: ", request$url$url), sep = "\n")
 #' }
-#' (x <- HttpClient$new(url = "https://httpbin.org",
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org",
 #'   hooks = list(request = fun_req)))
 #' x$hooks
 #' x$hooks$request
@@ -33,7 +33,7 @@
 #'   cat("Capturing Request", sep = "\n")
 #'   captured_req <<- request
 #' }
-#' (x <- HttpClient$new(url = "https://httpbin.org",
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org",
 #'   hooks = list(request = fun_req2)))
 #' x$hooks
 #' x$hooks$request
@@ -46,14 +46,14 @@
 #' fun_resp <- function(response) {
 #'   cat(paste0("status_code: ", response$status_code), sep = "\n")
 #' }
-#' (x <- HttpClient$new(url = "https://httpbin.org",
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org",
 #'   hooks = list(response = fun_resp)))
 #' x$url
 #' x$hooks
 #' r1 <- x$get('get')
 #' 
 #' # both
-#' (x <- HttpClient$new(url = "https://httpbin.org",
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org",
 #'   hooks = list(request = fun_req, response = fun_resp)))
 #' x$get("get")
 #' }
diff -Nru r-cran-crul-1.3+dfsg/R/http-headers.R r-cran-crul-1.4.0+dfsg/R/http-headers.R
--- r-cran-crul-1.3+dfsg/R/http-headers.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/http-headers.R	2023-05-10 21:51:12.000000000 +0000
@@ -2,11 +2,11 @@
 #'
 #' @name http-headers
 #' @examples \dontrun{
-#' (x <- HttpClient$new(url = "https://httpbin.org"))
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org"))
 #'
 #' # set headers
 #' (res <- HttpClient$new(
-#'   url = "https://httpbin.org",
+#'   url = "https://hb.opencpu.org",
 #'   opts = list(
 #'     verbose = TRUE
 #'   ),
@@ -25,7 +25,7 @@
 #'
 #' ## setting content-type via headers
 #' (res <- HttpClient$new(
-#'   url = "https://httpbin.org",
+#'   url = "https://hb.opencpu.org",
 #'   opts = list(
 #'     verbose = TRUE
 #'   ),
diff -Nru r-cran-crul-1.3+dfsg/R/httprequest.R r-cran-crul-1.4.0+dfsg/R/httprequest.R
--- r-cran-crul-1.3+dfsg/R/httprequest.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/httprequest.R	2023-05-10 21:51:19.000000000 +0000
@@ -32,7 +32,7 @@
 #' See [HttpClient()] for information on parameters.
 #'
 #' @examples \dontrun{
-#' x <- HttpRequest$new(url = "https://httpbin.org/get")
+#' x <- HttpRequest$new(url = "https://hb.opencpu.org/get")
 #' ## note here how the HTTP method is shown on the first line to the right
 #' x$get()
 #'
@@ -41,19 +41,23 @@
 #' ### get the HTTP method
 #' z$method()
 #'
-#' (x <- HttpRequest$new(url = "https://httpbin.org/get")$get())
+#' (x <- HttpRequest$new(url = "https://hb.opencpu.org/get")$get())
 #' x$url
 #' x$payload
 #'
-#' (x <- HttpRequest$new(url = "https://httpbin.org/post"))
+#' (x <- HttpRequest$new(url = "https://hb.opencpu.org/post"))
 #' x$post(body = list(foo = "bar"))
 #'
 #' HttpRequest$new(
-#'   url = "https://httpbin.org/get",
+#'   url = "https://hb.opencpu.org/get",
 #'   headers = list(
 #'     `Content-Type` = "application/json"
 #'   )
 #' )
+#'
+#' # retry
+#' (x <- HttpRequest$new(url = "https://hb.opencpu.org/post"))
+#' x$retry("post", body = list(foo = "bar"))
 #' }
 HttpRequest <- R6::R6Class(
   'HttpRequest',
@@ -79,17 +83,14 @@
     #' @param x self
     #' @param ... ignored
     print = function(x, ...) {
-      cat(paste0("<crul http request> ", self$method()), sep = "\n")
-      # cat(paste0("  url: ", if (is.null(self$url))
-      #   self$handle$url else self$url), sep = "\n")
+      retry_note <- if ("retry_options" %in% names(self$payload)) " (retry)" else ""
+      cat(paste0("<crul http request> ", self$method(), retry_note), sep = "\n")
       cat(paste0("  url: ",
         self$payload$url$url %||% self$handle$url %||% self$url), sep = "\n")
       cat("  curl options: ", sep = "\n")
       for (i in seq_along(self$opts)) {
         z <- if (inherits(self$opts[[i]], "function")) "<function>" else self$opts[[i]]
         cat(sprintf("    %s: %s", names(self$opts)[i], z), sep = "\n")
-        # cat(sprintf("    %s: %s", names(self$opts)[i],
-        #             self$opts[[i]]), sep = "\n")
       }
       cat("  proxies: ", sep = "\n")
       if (length(self$proxies)) cat(paste("    -",
@@ -247,7 +248,7 @@
     #' @param verb an HTTP verb supported on this class: get,
     #' post, put, patch, delete, head. Also supports retry.
     #' @examples
-    #' z <- HttpRequest$new(url = "https://httpbin.org/get")
+    #' z <- HttpRequest$new(url = "https://hb.opencpu.org/get")
     #' res <- z$verb('get', query = list(hello = "world"))
     #' res$payload
     verb = function(verb, ...) {
@@ -259,6 +260,42 @@
       verbFunc(...)
     },
 
+    #' @description Define a RETRY request
+    #' @param verb an HTTP verb supported on this class: get,
+    #' post, put, patch, delete, head. Also supports retry.
+    #' @param times the maximum number of times to retry. Set to `Inf` to
+    #' not stop retrying due to exhausting the number of attempts.
+    #' @param pause_base,pause_cap,pause_min basis, maximum, and minimum for
+    #' calculating wait time for retry. Wait time is calculated according to the
+    #' exponential backoff with full jitter algorithm. Specifically, wait time is
+    #' chosen randomly between `pause_min` and the lesser of `pause_base * 2` and
+    #' `pause_cap`, with `pause_base` doubling on each subsequent retry attempt.
+    #' Use `pause_cap = Inf` to not terminate retrying due to cap of wait time
+    #' reached.
+    #' @param terminate_on,retry_only_on a vector of HTTP status codes. For
+    #' `terminate_on`, the status codes for which to terminate retrying, and for
+    #' `retry_only_on`, the status codes for which to retry the request.
+    #' @param onwait a callback function if the request will be retried and
+    #' a wait time is being applied. The function will be passed two parameters,
+    #' the response object from the failed request, and the wait time in seconds.
+    #' Note that the time spent in the function effectively adds to the wait time,
+    #' so it should be kept simple.
+    retry = function(verb, ..., pause_base = 1, pause_cap = 60, pause_min = 1, times = 3,
+                     terminate_on = NULL, retry_only_on = NULL,
+                     onwait = NULL) {
+      stopifnot(is.character(verb), length(verb) > 0)
+      verbs <- c('get', 'post', 'put', 'patch', 'delete', 'head')
+      if (!tolower(verb) %in% verbs) stop("'verb' must be one of: ", paste0(verbs, collapse = ", "))
+      verbFunc <- self[[tolower(verb)]]
+      stopifnot(is.function(verbFunc))
+      stopifnot(is.null(onwait) || is.function(onwait))
+      tmp <- verbFunc(...)
+      tmp$payload$retry_options <- list(pause_base = pause_base, pause_cap = pause_cap,
+        pause_min = pause_min, times = times, terminate_on = terminate_on,
+        retry_only_on = retry_only_on, onwait = onwait)
+      return(tmp)
+    },
+
     #' @description Get the HTTP method (if defined)
     #' @return (character) the HTTP method
     method = function() self$payload$method
diff -Nru r-cran-crul-1.3+dfsg/R/make_url.R r-cran-crul-1.4.0+dfsg/R/make_url.R
--- r-cran-crul-1.3+dfsg/R/make_url.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/make_url.R	2023-05-10 21:56:40.000000000 +0000
@@ -16,7 +16,7 @@
 # query <- list(a = 5, a = 6)
 # query <- list(a = 5)
 # query <- list()
-# add_query(query, "https://httpbin.org")
+# add_query(query, "https://hb.opencpu.org")
 add_query <- function(x, url) {
   if (length(x)) {
     quer <- list()
@@ -43,18 +43,18 @@
 #' @return `url_build` returns a character string URL; `url_parse`
 #' returns a list with URL components
 #' @examples
-#' url_build("https://httpbin.org")
-#' url_build("https://httpbin.org", "get")
-#' url_build("https://httpbin.org", "post")
-#' url_build("https://httpbin.org", "get", list(foo = "bar"))
+#' url_build("https://hb.opencpu.org")
+#' url_build("https://hb.opencpu.org", "get")
+#' url_build("https://hb.opencpu.org", "post")
+#' url_build("https://hb.opencpu.org", "get", list(foo = "bar"))
 #'
-#' url_parse("httpbin.org")
-#' url_parse("http://httpbin.org")
-#' url_parse(url = "https://httpbin.org")
-#' url_parse("https://httpbin.org/get")
-#' url_parse("https://httpbin.org/get?foo=bar")
-#' url_parse("https://httpbin.org/get?foo=bar&stuff=things")
-#' url_parse("https://httpbin.org/get?foo=bar&stuff=things[]")
+#' url_parse("hb.opencpu.org")
+#' url_parse("https://hb.opencpu.org")
+#' url_parse(url = "https://hb.opencpu.org")
+#' url_parse("https://hb.opencpu.org/get")
+#' url_parse("https://hb.opencpu.org/get?foo=bar")
+#' url_parse("https://hb.opencpu.org/get?foo=bar&stuff=things")
+#' url_parse("https://hb.opencpu.org/get?foo=bar&stuff=things[]")
 url_build <- function(url, path = NULL, query = NULL) {
   assert(url, "character")
   assert(path, "character")
diff -Nru r-cran-crul-1.3+dfsg/R/mocking.R r-cran-crul-1.4.0+dfsg/R/mocking.R
--- r-cran-crul-1.3+dfsg/R/mocking.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/mocking.R	2023-05-10 21:51:33.000000000 +0000
@@ -11,7 +11,7 @@
 #'   library(webmockr)
 #'   library(crul)
 #'
-#'   URL <- "https://httpbin.org"
+#'   URL <- "https://hb.opencpu.org"
 #'
 #'   # turn on mocking
 #'   crul::mock()
diff -Nru r-cran-crul-1.3+dfsg/R/ok.R r-cran-crul-1.4.0+dfsg/R/ok.R
--- r-cran-crul-1.3+dfsg/R/ok.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/ok.R	2023-05-10 21:51:40.000000000 +0000
@@ -51,11 +51,11 @@
 #' # 200
 #' ok("https://www.google.com") 
 #' # 200
-#' ok("https://httpbin.org/status/200")
+#' ok("https://hb.opencpu.org/status/200")
 #' # more than one status
 #' ok("https://www.google.com", status = c(200L, 202L))
 #' # 404
-#' ok("https://httpbin.org/status/404")
+#' ok("https://hb.opencpu.org/status/404")
 #' # doesn't exist
 #' ok("https://stuff.bar")
 #' # doesn't exist
@@ -84,7 +84,7 @@
 #' ok("https://doi.org/10.1093/chemse/bjq042", useragent="foobar", ua_random=TRUE)
 #' 
 #' # with HttpClient
-#' z <- crul::HttpClient$new("https://httpbin.org/status/404", 
+#' z <- crul::HttpClient$new("https://hb.opencpu.org/status/404", 
 #'  opts = list(verbose = TRUE))
 #' ok(z)
 #' }
diff -Nru r-cran-crul-1.3+dfsg/R/response.R r-cran-crul-1.4.0+dfsg/R/response.R
--- r-cran-crul-1.3+dfsg/R/response.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/response.R	2023-05-10 21:52:33.000000000 +0000
@@ -31,11 +31,11 @@
 #'     }
 #'   }
 #' @examples \dontrun{
-#' x <- HttpResponse$new(method = "get", url = "https://httpbin.org")
+#' x <- HttpResponse$new(method = "get", url = "https://hb.opencpu.org")
 #' x$url
 #' x$method
 #'
-#' x <- HttpClient$new(url = 'https://httpbin.org')
+#' x <- HttpClient$new(url = 'https://hb.opencpu.org')
 #' (res <- x$get('get'))
 #' res$request_headers
 #' res$response_headers
@@ -47,11 +47,11 @@
 #' res$status_http()$explanation
 #' res$success()
 #'
-#' x <- HttpClient$new(url = 'https://httpbin.org/status/404')
+#' x <- HttpClient$new(url = 'https://hb.opencpu.org/status/404')
 #' (res <- x$get())
 #' # res$raise_for_status()
 #'
-#' x <- HttpClient$new(url = 'https://httpbin.org/status/414')
+#' x <- HttpClient$new(url = 'https://hb.opencpu.org/status/414')
 #' (res <- x$get())
 #' # res$raise_for_status()
 #' }
diff -Nru r-cran-crul-1.3+dfsg/R/set.R r-cran-crul-1.4.0+dfsg/R/set.R
--- r-cran-crul-1.3+dfsg/R/set.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/set.R	2023-05-10 21:52:40.000000000 +0000
@@ -35,7 +35,7 @@
 #' set_opts(verbose = TRUE)
 #' crul_settings()
 #' \dontrun{
-#' HttpClient$new('https://httpbin.org')$get('get')
+#' HttpClient$new('https://hb.opencpu.org')$get('get')
 #' }
 #' # set_verbose - sets: `verbose=TRUE`, and `debugfunction` to 
 #' # result of call to `curl_verbose()`, see `?curl_verbose`
@@ -58,7 +58,7 @@
 #' crul_settings()
 #' \dontrun{
 #' set_opts(verbose = TRUE)
-#' HttpClient$new('https://httpbin.org')$get('get')
+#' HttpClient$new('https://hb.opencpu.org')$get('get')
 #' }
 #' 
 #' # reset
@@ -69,16 +69,16 @@
 #' ## Async
 #' set_opts(verbose = TRUE)
 #' cc <- Async$new(urls = c(
-#'     'https://httpbin.org/get?a=5',
-#'     'https://httpbin.org/get?foo=bar'))
+#'     'https://hb.opencpu.org/get?a=5',
+#'     'https://hb.opencpu.org/get?foo=bar'))
 #' (res <- cc$get())
 #' 
 #' ## AsyncVaried
 #' set_opts(verbose = TRUE)
 #' set_headers(stuff = "things")
 #' reqlist <- list(
-#'   HttpRequest$new(url = "https://httpbin.org/get")$get(),
-#'   HttpRequest$new(url = "https://httpbin.org/post")$post())
+#'   HttpRequest$new(url = "https://hb.opencpu.org/get")$get(),
+#'   HttpRequest$new(url = "https://hb.opencpu.org/post")$post())
 #' out <- AsyncVaried$new(.list = reqlist)
 #' out$request()
 #' }
diff -Nru r-cran-crul-1.3+dfsg/R/upload.R r-cran-crul-1.4.0+dfsg/R/upload.R
--- r-cran-crul-1.3+dfsg/R/upload.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/upload.R	2023-05-10 21:52:47.000000000 +0000
@@ -7,7 +7,7 @@
 #' @examples \dontrun{
 #' # image
 #' path <- file.path(Sys.getenv("R_DOC_DIR"), "html/logo.jpg")
-#' (x <- HttpClient$new(url = "https://eu.httpbin.org"))
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org"))
 #' res <- x$post(path = "post", body = list(y = upload(path)))
 #' res$content
 #'
diff -Nru r-cran-crul-1.3+dfsg/R/verbs.R r-cran-crul-1.4.0+dfsg/R/verbs.R
--- r-cran-crul-1.3+dfsg/R/verbs.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/verbs.R	2023-05-10 21:52:59.000000000 +0000
@@ -14,7 +14,7 @@
 #' It is tempting to think of resource identifiers as remote file system
 #' pathnames and of representations as being a copy of the contents of
 #' such files.  In fact, that is how many resources are implemented (see
-#' Section 9.1 (<https://tools.ietf.org/html/rfc7231#section-9.1>) 
+#' Section 9.1 (<https://datatracker.ietf.org/doc/html/rfc7231#section-9.1>) 
 #' for related security considerations).  However, there are
 #' no such limitations in practice.  The HTTP interface for a resource
 #' is just as likely to be implemented as a tree of content objects, a
@@ -31,7 +31,7 @@
 #' A client can alter the semantics of GET to be a "range request",
 #' requesting transfer of only some part(s) of the selected
 #' representation, by sending a Range header field in the request
-#' (RFC7233: <https://tools.ietf.org/html/rfc7233>).
+#' (RFC7233: <https://datatracker.ietf.org/doc/html/rfc7233>).
 #' 
 #' A payload within a GET request message has no defined semantics;
 #' sending a payload body on a GET request might cause some existing
@@ -40,17 +40,17 @@
 #' The response to a GET request is cacheable; a cache MAY use it to
 #' satisfy subsequent GET and HEAD requests unless otherwise indicated
 #' by the Cache-Control header field (Section 5.2 of RFC7234:
-#' <https://tools.ietf.org/html/rfc7234#section-5.2>).
+#' <https://datatracker.ietf.org/doc/html/rfc7234#section-5.2>).
 #' 
 #' @examples \dontrun{
-#' x <- HttpClient$new(url = "https://httpbin.org")
+#' x <- HttpClient$new(url = "https://hb.opencpu.org")
 #' x$get(path = 'get')
 #' }
 #'
 #' @name verb-GET
 #' @family verbs
 #' @seealso [crul-package]
-#' @references <https://tools.ietf.org/html/rfc7231#section-4.3.1>
+#' @references <https://datatracker.ietf.org/doc/html/rfc7231#section-4.3.1>
 NULL
 
 #' HTTP verb info: POST
@@ -63,15 +63,12 @@
 #' result of successfully processing a POST request, the origin server
 #' SHOULD send a 201 (Created) response containing a Location header
 #' field that provides an identifier for the primary resource created
-#' (Section 7.1.2 <https://tools.ietf.org/html/rfc7231#section-7.1.2>) 
+#' (Section 7.1.2 <https://datatracker.ietf.org/doc/html/rfc7231#section-7.1.2>) 
 #' and a representation that describes the status of the
 #' request while referring to the new resource(s).
-#'  
-#' See <https://tools.ietf.org/html/rfc7231#section-4.3.3> for further
-#' details.
 #' 
 #' @examples \dontrun{
-#' x <- HttpClient$new(url = "https://httpbin.org")
+#' x <- HttpClient$new(url = "https://hb.opencpu.org")
 #' 
 #' # a named list
 #' x$post(path='post', body = list(hello = "world"))
@@ -109,7 +106,7 @@
 #' @name verb-POST
 #' @family verbs
 #' @seealso [crul-package]
-#' @references <https://tools.ietf.org/html/rfc7231#section-4.3.3>
+#' @references <https://datatracker.ietf.org/doc/html/rfc7231#section-4.3.3>
 NULL
 
 #' HTTP verb info: PUT
@@ -139,19 +136,16 @@
 #' representation, then the origin server MUST send either a 200 (OK) or
 #' a 204 (No Content) response to indicate successful completion of the
 #' request.
-#'  
-#' See <https://tools.ietf.org/html/rfc7231#section-4.3.4> for further
-#' details.
 #' 
 #' @examples \dontrun{
-#' x <- HttpClient$new(url = "https://httpbin.org")
+#' x <- HttpClient$new(url = "https://hb.opencpu.org")
 #' x$put(path = 'put', body = list(foo = "bar"))
 #' }
 #'
 #' @name verb-PUT
 #' @family verbs
 #' @seealso [crul-package]
-#' @references <https://tools.ietf.org/html/rfc7231#section-4.3.4>
+#' @references <https://datatracker.ietf.org/doc/html/rfc7231#section-4.3.4>
 NULL
 
 #' HTTP verb info: PATCH
@@ -166,19 +160,16 @@
 #' point to an existing resource, the server MAY create a new resource,
 #' depending on the patch document type (whether it can logically modify
 #' a null resource) and permissions, etc.
-#'  
-#' See <https://tools.ietf.org/html/rfc5789#section-2> for further
-#' details.
 #' 
 #' @examples \dontrun{
-#' x <- HttpClient$new(url = "https://httpbin.org")
+#' x <- HttpClient$new(url = "https://hb.opencpu.org")
 #' x$patch(path = 'patch', body = list(hello = "mars"))
 #' }
 #'
 #' @name verb-PATCH
 #' @family verbs
 #' @seealso [crul-package]
-#' @references <https://tools.ietf.org/html/rfc5789>
+#' @references <https://datatracker.ietf.org/doc/html/rfc5789>
 NULL
 
 #' HTTP verb info: DELETE
@@ -192,12 +183,9 @@
 #' in UNIX: it expresses a deletion operation on the URI mapping of the
 #' origin server rather than an expectation that the previously
 #' associated information be deleted.
-#'  
-#' See <https://tools.ietf.org/html/rfc7231#section-4.3.5> for further
-#' details.
 #' 
 #' @examples \dontrun{
-#' x <- HttpClient$new(url = "https://httpbin.org")
+#' x <- HttpClient$new(url = "https://hb.opencpu.org")
 #' x$delete(path = 'delete')
 #' 
 #' ## a list
@@ -215,7 +203,7 @@
 #' @name verb-DELETE
 #' @family verbs
 #' @seealso [crul-package]
-#' @references <https://tools.ietf.org/html/rfc7231#section-4.3.5>
+#' @references <https://datatracker.ietf.org/doc/html/rfc7231#section-4.3.5>
 NULL
 
 #' HTTP verb info: HEAD
@@ -235,16 +223,13 @@
 #' testing hypertext links for validity, accessibility, and recent 
 #' modification.
 #' 
-#' See <https://tools.ietf.org/html/rfc7231#section-4.3.2> for further
-#' details.
-#' 
 #' @examples \dontrun{
-#' x <- HttpClient$new(url = "https://httpbin.org")
+#' x <- HttpClient$new(url = "https://hb.opencpu.org")
 #' x$head()
 #' }
 #'
 #' @name verb-HEAD
 #' @family verbs
 #' @seealso [crul-package]
-#' @references <https://tools.ietf.org/html/rfc7231#section-4.3.2>
+#' @references <https://datatracker.ietf.org/doc/html/rfc7231#section-4.3.2>
 NULL
diff -Nru r-cran-crul-1.3+dfsg/R/writing-options.R r-cran-crul-1.4.0+dfsg/R/writing-options.R
--- r-cran-crul-1.3+dfsg/R/writing-options.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/R/writing-options.R	2023-05-10 21:53:06.000000000 +0000
@@ -3,7 +3,7 @@
 #' @name writing-options
 #' @examples \dontrun{
 #' # write to disk
-#' (x <- HttpClient$new(url = "https://httpbin.org"))
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org"))
 #' f <- tempfile()
 #' res <- x$get("get", disk = f)
 #' res$content # when using write to disk, content is a path
@@ -11,7 +11,7 @@
 #' close(file(f))
 #'
 #' # streaming response
-#' (x <- HttpClient$new(url = "https://httpbin.org"))
+#' (x <- HttpClient$new(url = "https://hb.opencpu.org"))
 #' res <- x$get('stream/50', stream = function(x) cat(rawToChar(x)))
 #' res$content # when streaming, content is NULL
 #'
@@ -19,11 +19,11 @@
 #' ## Async
 #' (cc <- Async$new(
 #'   urls = c(
-#'     'https://httpbin.org/get?a=5',
-#'     'https://httpbin.org/get?foo=bar',
-#'     'https://httpbin.org/get?b=4',
-#'     'https://httpbin.org/get?stuff=things',
-#'     'https://httpbin.org/get?b=4&g=7&u=9&z=1'
+#'     'https://hb.opencpu.org/get?a=5',
+#'     'https://hb.opencpu.org/get?foo=bar',
+#'     'https://hb.opencpu.org/get?b=4',
+#'     'https://hb.opencpu.org/get?stuff=things',
+#'     'https://hb.opencpu.org/get?b=4&g=7&u=9&z=1'
 #'   )
 #' ))
 #' files <- replicate(5, tempfile())
@@ -34,9 +34,9 @@
 #' ### disk
 #' f <- tempfile()
 #' g <- tempfile()
-#' req1 <- HttpRequest$new(url = "https://httpbin.org/get")$get(disk = f)
-#' req2 <- HttpRequest$new(url = "https://httpbin.org/post")$post(disk = g)
-#' req3 <- HttpRequest$new(url = "https://httpbin.org/get")$get()
+#' req1 <- HttpRequest$new(url = "https://hb.opencpu.org/get")$get(disk = f)
+#' req2 <- HttpRequest$new(url = "https://hb.opencpu.org/post")$post(disk = g)
+#' req3 <- HttpRequest$new(url = "https://hb.opencpu.org/get")$get()
 #' (out <- AsyncVaried$new(req1, req2, req3))
 #' out$request()
 #' out$content()
@@ -48,9 +48,9 @@
 #'
 #' ### stream - to console
 #' fun <- function(x) print(x)
-#' req1 <- HttpRequest$new(url = "https://httpbin.org/get"
+#' req1 <- HttpRequest$new(url = "https://hb.opencpu.org/get"
 #' )$get(query = list(foo = "bar"), stream = fun)
-#' req2 <- HttpRequest$new(url = "https://httpbin.org/get"
+#' req2 <- HttpRequest$new(url = "https://hb.opencpu.org/get"
 #' )$get(query = list(hello = "world"), stream = fun)
 #' (out <- AsyncVaried$new(req1, req2))
 #' out$request()
@@ -59,9 +59,9 @@
 #' ### stream - to an R object
 #' lst <- list()
 #' fun <- function(x) lst <<- append(lst, list(x))
-#' req1 <- HttpRequest$new(url = "https://httpbin.org/get"
+#' req1 <- HttpRequest$new(url = "https://hb.opencpu.org/get"
 #' )$get(query = list(foo = "bar"), stream = fun)
-#' req2 <- HttpRequest$new(url = "https://httpbin.org/get"
+#' req2 <- HttpRequest$new(url = "https://hb.opencpu.org/get"
 #' )$get(query = list(hello = "world"), stream = fun)
 #' (out <- AsyncVaried$new(req1, req2))
 #' out$request()
diff -Nru r-cran-crul-1.3+dfsg/tests/testthat/helper-crul.R r-cran-crul-1.4.0+dfsg/tests/testthat/helper-crul.R
--- r-cran-crul-1.3+dfsg/tests/testthat/helper-crul.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/tests/testthat/helper-crul.R	2023-05-10 21:32:41.000000000 +0000
@@ -4,14 +4,19 @@
 
 # check various httpbin servers
 urls <- c(
-  "https://eu.httpbin.org", 
-  "https://httpbin.org", 
+  "https://hb.opencpu.org",
+  "https://nghttp2.org/httpbin",
+  "https://httpbin.org",
   "http://httpbin.org"
 )
 h <- curl::new_handle(timeout = 10, failonerror = FALSE)
 out <- list()
 for (i in seq_along(urls)) {
-  out[[i]] <- curl::curl_fetch_memory(urls[i], handle = h)
+  tryCatch({
+    out[[i]] <- curl::curl_fetch_memory(urls[i], handle = h)
+  }, error = function(e)
+    message(urls[i], " is down ", e$message)
+  )
 }
 codes <- vapply(out, "[[", 1, "status_code")
 if (!any(codes == 200)) stop("all httpbin servers down")
diff -Nru r-cran-crul-1.3+dfsg/tests/testthat/test-asyncqueue.R r-cran-crul-1.4.0+dfsg/tests/testthat/test-asyncqueue.R
--- r-cran-crul-1.3+dfsg/tests/testthat/test-asyncqueue.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/tests/testthat/test-asyncqueue.R	2023-05-10 22:02:52.000000000 +0000
@@ -71,15 +71,13 @@
 })
 
 reqlist <- list(
-  HttpRequest$new(url = "https://httpbin.org/get")$get(),
-  HttpRequest$new(url = "https://httpbin.org/post")$post(),
-  HttpRequest$new(url = "https://httpbin.org/put")$put(),
-  HttpRequest$new(url = "https://httpbin.org/delete")$delete(),
-  HttpRequest$new(url = "https://httpbin.org/get?g=5")$get(),
-  HttpRequest$new(
-    url = "https://httpbin.org/post")$post(body = list(y = 9)),
-  HttpRequest$new(
-    url = "https://httpbin.org/get")$get(query = list(hello = "world")),
+  HttpRequest$new(url = hb("/get"))$get(),
+  HttpRequest$new(url = hb("/post"))$post(),
+  HttpRequest$new(url = hb("/put"))$put(),
+  HttpRequest$new(url = hb("/delete"))$delete(),
+  HttpRequest$new(url = hb("/get?g=5"))$get(),
+  HttpRequest$new(url = hb("/post"))$post(body = list(y = 9)),
+  HttpRequest$new(url = hb("/get"))$get(query = list(hello = "world")),
   HttpRequest$new(url = "https://ropensci.org")$get(),
   HttpRequest$new(url = "https://ropensci.org/about")$get(),
   HttpRequest$new(url = "https://ropensci.org/packages")$get(),
diff -Nru r-cran-crul-1.3+dfsg/tests/testthat/test-async.R r-cran-crul-1.4.0+dfsg/tests/testthat/test-async.R
--- r-cran-crul-1.3+dfsg/tests/testthat/test-async.R	2021-11-19 15:21:32.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/tests/testthat/test-async.R	2023-05-05 03:44:38.000000000 +0000
@@ -193,6 +193,23 @@
   expect_equal(out[[2]]$method, "get")
 })
 
+context("Async - verb")
+test_that("Async - retry", {
+  skip_on_cran()
+
+  aa <- Async$new(urls = c("https://nghttp2.org/httpbin/status/404", 
+    "https://nghttp2.org/httpbin/status/429"))
+  out <- aa$retry(verb='get')
+
+  expect_is(out, "asyncresponses")
+  expect_is(out[[1]], "HttpResponse")
+  expect_is(out[[2]], "HttpResponse")
+  expect_equal(out[[1]]$method, "get")
+  expect_equal(out[[2]]$method, "get")
+  expect_gt(length(out[[1]]$response_headers_all), 3)
+  expect_gt(length(out[[2]]$response_headers_all), 3)
+})
+
 
 context("Async - order of results")
 test_that("Async - order", {
diff -Nru r-cran-crul-1.3+dfsg/tests/testthat/test-asyncvaried.R r-cran-crul-1.4.0+dfsg/tests/testthat/test-asyncvaried.R
--- r-cran-crul-1.3+dfsg/tests/testthat/test-asyncvaried.R	2021-11-19 15:21:43.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/tests/testthat/test-asyncvaried.R	2023-05-09 21:08:02.000000000 +0000
@@ -178,7 +178,6 @@
   expect_false(resps[[3]]$success())
 
   expect_match(resps[[1]]$parse("UTF-8"), "resolve host")
-  expect_true(grepl("time", resps[[3]]$parse("UTF-8"), ignore.case = TRUE))
 })
 
 
@@ -207,7 +206,6 @@
   expect_false(resps[[2]]$success())
 
   expect_match(resps[[1]]$parse("UTF-8"), "resolve host")
-  expect_true(grepl("time", resps[[2]]$parse("UTF-8"), ignore.case = TRUE))
   
   # cleanup
   closeAllConnections()
@@ -238,7 +236,6 @@
   expect_false(resps[[2]]$success())
 
   expect_match(resps[[1]]$parse("UTF-8"), "resolve host")
-  expect_true(grepl("time", resps[[2]]$parse("UTF-8"), ignore.case = TRUE))
 })
 
 # verb method works
@@ -250,6 +247,19 @@
 
   aa <- AsyncVaried$new(req1, req2)
   aa$request()
+  expect_equal(aa$responses()[[1]]$method, 'get')
+  expect_equal(aa$responses()[[2]]$method, 'post')
+})
+
+# verb method works
+test_that("AsyncVaried verb retry", {
+  skip_on_cran()
+
+  req1 <- HttpRequest$new(url = hb("/get"))$retry('get')
+  req2 <- HttpRequest$new(url = hb("/post"))$retry('post')
+
+  aa <- AsyncVaried$new(req1, req2)
+  aa$request()
   expect_equal(aa$responses()[[1]]$method, 'get')
   expect_equal(aa$responses()[[2]]$method, 'post')
 })
diff -Nru r-cran-crul-1.3+dfsg/tests/testthat/test-client-hooks.R r-cran-crul-1.4.0+dfsg/tests/testthat/test-client-hooks.R
--- r-cran-crul-1.3+dfsg/tests/testthat/test-client-hooks.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/tests/testthat/test-client-hooks.R	2023-05-10 22:00:58.000000000 +0000
@@ -5,7 +5,7 @@
   fun_req <- function(request) {
     cat("Requesting: ", request$url$url, sep = "\n")
   }
-  x <- HttpClient$new(url = "https://httpbin.org",
+  x <- HttpClient$new(url = hb(),
     hooks = list(request = fun_req))
 
   expect_is(x$hooks, "list")
@@ -32,7 +32,7 @@
   fun_resp <- function(response) {
     cat(paste0("status_code: ", response$status_code), sep = "\n")
   }
-  x <- HttpClient$new(url = "https://httpbin.org",
+  x <- HttpClient$new(url = hb(),
     hooks = list(response = fun_resp))
 
   expect_is(x$hooks, "list")
@@ -63,7 +63,7 @@
   fun_resp <- function(response) {
     cat(paste0("status_code: ", response$status_code), sep = "\n")
   }
-  x <- HttpClient$new(url = "https://httpbin.org",
+  x <- HttpClient$new(url = hb(),
     hooks = list(request = fun_req, response = fun_resp))
 
   expect_is(x$hooks, "list")
diff -Nru r-cran-crul-1.3+dfsg/tests/testthat/test-client.R r-cran-crul-1.4.0+dfsg/tests/testthat/test-client.R
--- r-cran-crul-1.3+dfsg/tests/testthat/test-client.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/tests/testthat/test-client.R	2023-05-10 22:03:32.000000000 +0000
@@ -102,7 +102,7 @@
   skip_on_cran()
   
   f <- tempfile(fileext = ".json")
-  out <- crul::HttpClient$new("https://httpbin.org/get")$get(disk = f)
+  out <- crul::HttpClient$new(hb("/get"))$get(disk = f)
   expect_is(out$parse(), "character")
   expect_match(out$parse(), "headers")
 })
@@ -112,6 +112,6 @@
 
   lst <- list()
   fun <- function(x) lst <<- append(lst, list(x))
-  out <- crul::HttpClient$new("https://httpbin.org/get")$get(stream = fun)
+  out <- crul::HttpClient$new(hb("/get"))$get(stream = fun)
   expect_equal(out$parse(), raw(0))
 })
diff -Nru r-cran-crul-1.3+dfsg/tests/testthat/test-content-type.R r-cran-crul-1.4.0+dfsg/tests/testthat/test-content-type.R
--- r-cran-crul-1.3+dfsg/tests/testthat/test-content-type.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/tests/testthat/test-content-type.R	2023-05-09 19:59:45.000000000 +0000
@@ -1,7 +1,7 @@
 skip_on_cran()
 
-res_html <- HttpClient$new(url = hb())$get()
-res_json <- HttpClient$new(url = hb("/json"))$get()
+res_html <- HttpClient$new(url = hb("/html"))$get()
+res_json <- HttpClient$new(url = hb())$get('/get')
 res_xml <- HttpClient$new(url = hb("/xml"))$get()
 
 test_that("html", {
diff -Nru r-cran-crul-1.3+dfsg/tests/testthat/test-response.R r-cran-crul-1.4.0+dfsg/tests/testthat/test-response.R
--- r-cran-crul-1.3+dfsg/tests/testthat/test-response.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/tests/testthat/test-response.R	2023-05-10 22:00:28.000000000 +0000
@@ -143,7 +143,7 @@
 })
 
 test_that("internal fxn: parse_params", {
-  url <- "https://httpbin.org/get?a=5&foo=bar"
+  url <- sprintf("%s/get?a=5&foo=bar", hb())
   x <- parse_params(url)
 
   expect_is(x, "character")
diff -Nru r-cran-crul-1.3+dfsg/tests/testthat/test-retry.R r-cran-crul-1.4.0+dfsg/tests/testthat/test-retry.R
--- r-cran-crul-1.3+dfsg/tests/testthat/test-retry.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/tests/testthat/test-retry.R	2023-05-10 22:04:09.000000000 +0000
@@ -237,9 +237,9 @@
 
   loadNamespace("webmockr")
   webmockr::enable()
-  cli <- HttpClient$new(url = "http://httpbin.org")
+  cli <- HttpClient$new(url = hb())
 
-  stub <- webmockr::stub_request("get", "http://httpbin.org/get")
+  stub <- webmockr::stub_request("get", hb("/get"))
   stub <- webmockr::to_return(stub,
                               status = 503,
                               headers = list("retry-after" = 1))
@@ -250,7 +250,7 @@
   expect_gt(tt1["elapsed"], 2)
   webmockr::stub_registry_clear()
 
-  stub <- webmockr::stub_request("get", "http://httpbin.org/get")
+  stub <- webmockr::stub_request("get", hb("/get"))
   stub <- webmockr::to_return(stub,
                               status = 429,
                               headers = list("x-ratelimit-remaining" = "0", "retry-after" = "1"))
@@ -258,7 +258,7 @@
   expect_gt(tt1["elapsed"], 2)
   webmockr::stub_registry_clear()
 
-  stub <- webmockr::stub_request("get", "http://httpbin.org/get")
+  stub <- webmockr::stub_request("get", hb("/get"))
   stub <- webmockr::to_return(stub,
                               status = 429,
                               headers = list("x-ratelimit-remaining" = "0",
diff -Nru r-cran-crul-1.3+dfsg/tests/testthat/test-url_build_parse.R r-cran-crul-1.4.0+dfsg/tests/testthat/test-url_build_parse.R
--- r-cran-crul-1.3+dfsg/tests/testthat/test-url_build_parse.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/tests/testthat/test-url_build_parse.R	2023-05-05 17:02:54.000000000 +0000
@@ -8,17 +8,14 @@
   cc <- url_build(hb(), "get", list(foo = "bar"))
 
   expect_is(aa, "character")
-  expect_match(aa, "https")
-  expect_match(aa, "httpbin.org")
+  expect_match(aa, "http")
 
   expect_is(bb, "character")
-  expect_match(bb, "https")
-  expect_match(bb, "httpbin.org")
+  expect_match(bb, "http")
   expect_match(bb, "get")
 
   expect_is(cc, "character")
-  expect_match(cc, "https")
-  expect_match(cc, "httpbin.org")
+  expect_match(cc, "http")
   expect_match(cc, "?foo=bar")
 })
 
diff -Nru r-cran-crul-1.3+dfsg/tests/testthat/test-utils.R r-cran-crul-1.4.0+dfsg/tests/testthat/test-utils.R
--- r-cran-crul-1.3+dfsg/tests/testthat/test-utils.R	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/tests/testthat/test-utils.R	2023-05-10 22:08:22.000000000 +0000
@@ -1,7 +1,7 @@
 context("encode")
 test_that("encode", {
-  aa <- encode("https://httpbin.org")
-  bb <- encode(I("https://httpbin.org"))
+  aa <- encode(hb())
+  bb <- encode(I(hb()))
 
   expect_is(aa, "character")
   expect_is(bb, "AsIs")
diff -Nru r-cran-crul-1.3+dfsg/vignettes/async.Rmd r-cran-crul-1.4.0+dfsg/vignettes/async.Rmd
--- r-cran-crul-1.3+dfsg/vignettes/async.Rmd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/async.Rmd	2023-05-10 21:56:03.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 3. async with crul
 author: Scott Chamberlain
-date: "2020-07-09"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{3. async with crul}
@@ -44,9 +44,9 @@
 ```r
 (cc <- Async$new(
   urls = c(
-    'https://httpbin.org/get?a=5',
-    'https://httpbin.org/get?a=5&b=6',
-    'https://httpbin.org/ip'
+    'https://hb.opencpu.org/get?a=5',
+    'https://hb.opencpu.org/get?a=5&b=6',
+    'https://hb.opencpu.org/ip'
   )
 ))
 #> <crul async connection> 
@@ -55,9 +55,9 @@
 #>   auth: 
 #>   headers: 
 #>   urls: (n: 3)
-#>    https://httpbin.org/get?a=5
-#>    https://httpbin.org/get?a=5&b=6
-#>    https://httpbin.org/ip
+#>    https://hb.opencpu.org/get?a=5
+#>    https://hb.opencpu.org/get?a=5&b=6
+#>    https://hb.opencpu.org/ip
 ```
 
 Make request with any HTTP method
@@ -65,52 +65,11 @@
 
 ```r
 (res <- cc$get())
-#> [[1]]
-#> <crul response> 
-#>   url: https://httpbin.org/get?a=5
-#>   request_headers: 
-#>   response_headers: 
-#>     status: HTTP/2 200 
-#>     date: Thu, 09 Jul 2020 20:14:45 GMT
-#>     content-type: application/json
-#>     content-length: 400
-#>     server: gunicorn/19.9.0
-#>     access-control-allow-origin: *
-#>     access-control-allow-credentials: true
-#>   params: 
-#>     a: 5
-#>   status: 200
-#> 
-#> [[2]]
-#> <crul response> 
-#>   url: https://httpbin.org/get?a=5&b=6
-#>   request_headers: 
-#>   response_headers: 
-#>     status: HTTP/2 200 
-#>     date: Thu, 09 Jul 2020 20:14:45 GMT
-#>     content-type: application/json
-#>     content-length: 419
-#>     server: gunicorn/19.9.0
-#>     access-control-allow-origin: *
-#>     access-control-allow-credentials: true
-#>   params: 
-#>     a: 5
-#>     b: 6
-#>   status: 200
-#> 
-#> [[3]]
-#> <crul response> 
-#>   url: https://httpbin.org/ip
-#>   request_headers: 
-#>   response_headers: 
-#>     status: HTTP/2 200 
-#>     date: Thu, 09 Jul 2020 20:14:45 GMT
-#>     content-type: application/json
-#>     content-length: 31
-#>     server: gunicorn/19.9.0
-#>     access-control-allow-origin: *
-#>     access-control-allow-credentials: true
-#>   status: 200
+#> async responses
+#> status code - url (N=3; printing up to 10)
+#>   200 - https://hb.opencpu.org/get?a=5
+#>   200 - https://hb.opencpu.org/get?a=5&b=6
+#>   200 - https://hb.opencpu.org/ip
 ```
 
 You get back a list matching length of the number of input URLs
@@ -120,11 +79,11 @@
 
 ```r
 res[[1]]$url
-#> [1] "https://httpbin.org/get?a=5"
+#> [1] "https://hb.opencpu.org/get?a=5"
 res[[1]]$success()
 #> [1] TRUE
 res[[1]]$parse("UTF-8")
-#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"R (4.0.2 x86_64-apple-darwin17.0 x86_64 darwin17.0)\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f077ab5-686fd087166386a10fe80f25\"\n  }, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/get?a=5\"\n}\n"
+#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"R (4.2.3 aarch64-apple-darwin20 aarch64 darwin20)\"\n  }, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/get?a=5\"\n}\n"
 ```
 
 Or apply access/method calls across many results, e.g., parse all results
@@ -133,13 +92,13 @@
 ```r
 lapply(res, function(z) z$parse("UTF-8"))
 #> [[1]]
-#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"R (4.0.2 x86_64-apple-darwin17.0 x86_64 darwin17.0)\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f077ab5-686fd087166386a10fe80f25\"\n  }, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/get?a=5\"\n}\n"
+#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"R (4.2.3 aarch64-apple-darwin20 aarch64 darwin20)\"\n  }, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/get?a=5\"\n}\n"
 #> 
 #> [[2]]
-#> [1] "{\n  \"args\": {\n    \"a\": \"5\", \n    \"b\": \"6\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"R (4.0.2 x86_64-apple-darwin17.0 x86_64 darwin17.0)\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f077ab5-0c5caed1b0cac8d405458e4e\"\n  }, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/get?a=5&b=6\"\n}\n"
+#> [1] "{\n  \"args\": {\n    \"a\": \"5\", \n    \"b\": \"6\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"R (4.2.3 aarch64-apple-darwin20 aarch64 darwin20)\"\n  }, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/get?a=5&b=6\"\n}\n"
 #> 
 #> [[3]]
-#> [1] "{\n  \"origin\": \"24.21.229.59\"\n}\n"
+#> [1] "{\n  \"origin\": \"172.18.0.4\"\n}\n"
 ```
 
 ## varied request async
@@ -147,14 +106,14 @@
 
 ```r
 req1 <- HttpRequest$new(
-  url = "https://httpbin.org/get?a=5",
+  url = "https://hb.opencpu.org/get?a=5",
   opts = list(
     verbose = TRUE
   )
 )
 req1$get()
 #> <crul http request> get
-#>   url: https://httpbin.org/get?a=5
+#>   url: https://hb.opencpu.org/get?a=5
 #>   curl options: 
 #>     verbose: TRUE
 #>   proxies: 
@@ -163,11 +122,11 @@
 #>   progress: FALSE
 
 req2 <- HttpRequest$new(
-  url = "https://httpbin.org/post?a=5&b=6"
+  url = "https://hb.opencpu.org/post?a=5&b=6"
 )
 req2$post(body = list(a = 5))
 #> <crul http request> post
-#>   url: https://httpbin.org/post?a=5&b=6
+#>   url: https://hb.opencpu.org/post?a=5&b=6
 #>   curl options: 
 #>   proxies: 
 #>   auth: 
@@ -177,8 +136,8 @@
 (res <- AsyncVaried$new(req1, req2))
 #> <crul async varied connection>
 #>   requests: (n: 2)
-#>    get: https://httpbin.org/get?a=5 
-#>    post: https://httpbin.org/post?a=5&b=6
+#>    get: https://hb.opencpu.org/get?a=5 
+#>    post: https://hb.opencpu.org/post?a=5&b=6
 ```
 
 Make requests asynchronously
@@ -193,8 +152,8 @@
 
 ```r
 res$parse()
-#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"R (4.0.2 x86_64-apple-darwin17.0 x86_64 darwin17.0)\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f077ab6-74ff987c9d00dd500c8ad920\"\n  }, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/get?a=5\"\n}\n"                                                                                                                                                                                                                                                       
-#> [2] "{\n  \"args\": {\n    \"a\": \"5\", \n    \"b\": \"6\"\n  }, \n  \"data\": \"\", \n  \"files\": {}, \n  \"form\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Content-Length\": \"137\", \n    \"Content-Type\": \"multipart/form-data; boundary=------------------------cb67be38c1a8a084\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"libcurl/7.64.1 r-curl/4.3 crul/0.9.2.93\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f077ab6-d206c2e86f429778e6cb9810\"\n  }, \n  \"json\": null, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/post?a=5&b=6\"\n}\n"
+#> [1] "{\n  \"args\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"R (4.2.3 aarch64-apple-darwin20 aarch64 darwin20)\"\n  }, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/get?a=5\"\n}\n"                                                                                                                                                                                                                                                           
+#> [2] "{\n  \"args\": {\n    \"a\": \"5\", \n    \"b\": \"6\"\n  }, \n  \"data\": \"\", \n  \"files\": {}, \n  \"form\": {\n    \"a\": \"5\"\n  }, \n  \"headers\": {\n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Content-Length\": \"137\", \n    \"Content-Type\": \"multipart/form-data; boundary=------------------------389c6ab199efc7cd\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100\"\n  }, \n  \"json\": null, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/post?a=5&b=6\"\n}\n"
 ```
 
 
@@ -208,12 +167,12 @@
 #>     "headers": {
 #>         "Accept": "application/json, text/xml, application/xml, */*",
 #>         "Accept-Encoding": "gzip, deflate",
-#>         "Host": "httpbin.org",
-#>         "User-Agent": "R (4.0.2 x86_64-apple-darwin17.0 x86_64 darwin17.0)",
-#>         "X-Amzn-Trace-Id": "Root=1-5f077ab6-74ff987c9d00dd500c8ad920"
+#>         "Connection": "close",
+#>         "Host": "httpbin:8080",
+#>         "User-Agent": "R (4.2.3 aarch64-apple-darwin20 aarch64 darwin20)"
 #>     },
-#>     "origin": "24.21.229.59",
-#>     "url": "https://httpbin.org/get?a=5"
+#>     "origin": "172.18.0.4",
+#>     "url": "http://httpbin:8080/get?a=5"
 #> }
 #>  
 #> 
@@ -233,15 +192,15 @@
 #>     "headers": {
 #>         "Accept": "application/json, text/xml, application/xml, */*",
 #>         "Accept-Encoding": "gzip, deflate",
+#>         "Connection": "close",
 #>         "Content-Length": "137",
-#>         "Content-Type": "multipart/form-data; boundary=------------------------cb67be38c1a8a084",
-#>         "Host": "httpbin.org",
-#>         "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.2.93",
-#>         "X-Amzn-Trace-Id": "Root=1-5f077ab6-d206c2e86f429778e6cb9810"
+#>         "Content-Type": "multipart/form-data; boundary=------------------------389c6ab199efc7cd",
+#>         "Host": "httpbin:8080",
+#>         "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"
 #>     },
 #>     "json": null,
-#>     "origin": "24.21.229.59",
-#>     "url": "https://httpbin.org/post?a=5&b=6"
+#>     "origin": "172.18.0.4",
+#>     "url": "http://httpbin:8080/post?a=5&b=6"
 #> }
 #> 
 ```
diff -Nru r-cran-crul-1.3+dfsg/vignettes/async.Rmd.og r-cran-crul-1.4.0+dfsg/vignettes/async.Rmd.og
--- r-cran-crul-1.3+dfsg/vignettes/async.Rmd.og	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/async.Rmd.og	2023-05-10 21:55:16.000000000 +0000
@@ -49,7 +49,7 @@
   urls = c(
     'https://www.heroku.com/',
     'http://docs.python-tablib.org/en/latest/',
-    'https://httpbin.org'
+    'https://hb.opencpu.org'
   )
 ))
 ```
@@ -57,9 +57,9 @@
 ```{r}
 (cc <- Async$new(
   urls = c(
-    'https://httpbin.org/get?a=5',
-    'https://httpbin.org/get?a=5&b=6',
-    'https://httpbin.org/ip'
+    'https://hb.opencpu.org/get?a=5',
+    'https://hb.opencpu.org/get?a=5&b=6',
+    'https://hb.opencpu.org/ip'
   )
 ))
 ```
@@ -90,7 +90,7 @@
 
 ```{r}
 req1 <- HttpRequest$new(
-  url = "https://httpbin.org/get?a=5",
+  url = "https://hb.opencpu.org/get?a=5",
   opts = list(
     verbose = TRUE
   )
@@ -98,7 +98,7 @@
 req1$get()
 
 req2 <- HttpRequest$new(
-  url = "https://httpbin.org/post?a=5&b=6"
+  url = "https://hb.opencpu.org/post?a=5&b=6"
 )
 req2$post(body = list(a = 5))
 
diff -Nru r-cran-crul-1.3+dfsg/vignettes/best-practices-api-packages.Rmd r-cran-crul-1.4.0+dfsg/vignettes/best-practices-api-packages.Rmd
--- r-cran-crul-1.3+dfsg/vignettes/best-practices-api-packages.Rmd	2021-08-16 21:05:23.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/best-practices-api-packages.Rmd	2023-05-10 21:56:03.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 5. API package best practices
 author: Scott Chamberlain
-date: "2021-08-16"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{5. API package best practices}
@@ -63,7 +63,7 @@
 
 
 ```r
-x <- xGET("https://httpbin.org", "get", args = list(foo = "bar"))
+x <- xGET("https://hb.opencpu.org", "get", args = list(foo = "bar"))
 # parse the JSON to a list
 jsonlite::fromJSON(x)
 # more parsing
@@ -100,7 +100,7 @@
 
 
 ```r
-con <- HttpClient$new("https://httpbin.org/status/404")
+con <- HttpClient$new("https://hb.opencpu.org/status/404")
 res <- con$get()
 ```
 
@@ -252,5 +252,5 @@
 [webmockr]: https://github.com/ropensci/webmockr
 [vcr]: https://github.com/ropensci/vcr
 [httr]: https://github.com/r-lib/httr
-[fauxpas]: https://github.com/ropensci/fauxpas
+[fauxpas]: https://github.com/sckott/fauxpas
 [book]: https://books.ropensci.org/http-testing/
diff -Nru r-cran-crul-1.3+dfsg/vignettes/best-practices-api-packages.Rmd.og r-cran-crul-1.4.0+dfsg/vignettes/best-practices-api-packages.Rmd.og
--- r-cran-crul-1.3+dfsg/vignettes/best-practices-api-packages.Rmd.og	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/best-practices-api-packages.Rmd.og	2023-05-10 21:55:07.000000000 +0000
@@ -61,7 +61,7 @@
 You can use the function like:
 
 ```{r eval=FALSE}
-x <- xGET("https://httpbin.org", "get", args = list(foo = "bar"))
+x <- xGET("https://hb.opencpu.org", "get", args = list(foo = "bar"))
 # parse the JSON to a list
 jsonlite::fromJSON(x)
 # more parsing
@@ -96,7 +96,7 @@
 First, make an HTTP request:
 
 ```{r eval=FALSE}
-con <- HttpClient$new("https://httpbin.org/status/404")
+con <- HttpClient$new("https://hb.opencpu.org/status/404")
 res <- con$get()
 ```
 
@@ -243,5 +243,5 @@
 [webmockr]: https://github.com/ropensci/webmockr
 [vcr]: https://github.com/ropensci/vcr
 [httr]: https://github.com/r-lib/httr
-[fauxpas]: https://github.com/ropensci/fauxpas
+[fauxpas]: https://github.com/sckott/fauxpas
 [book]: https://books.ropensci.org/http-testing/
diff -Nru r-cran-crul-1.3+dfsg/vignettes/choosing-a-client.Rmd r-cran-crul-1.4.0+dfsg/vignettes/choosing-a-client.Rmd
--- r-cran-crul-1.3+dfsg/vignettes/choosing-a-client.Rmd	2022-08-19 15:05:40.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/choosing-a-client.Rmd	2023-05-10 21:56:02.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 6. Choosing a HTTP request class
 author: Scott Chamberlain
-date: "2020-07-13"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{6. Choosing a HTTP request class}
@@ -18,8 +18,8 @@
 |HttpClient|all|no|[bcdata][],[chirps][],[duckduckr][],[gfonts][],[mindicador][],[nsapi][],[tradestatistics][],[viafr][]|
 |Paginator|all except retry|no|---|
 |ok|head,get|no|[dams][]|
-|Async|all except retry|yes|[fulltext][],[rdryad][],[rnoaa][]|
-|AsyncVaried|all except retry|yes|[rcrossref][],[taxize][],[rcitoid][],[mstrio][]|
+|Async|all except retry|yes|[rdryad][],[rnoaa][]|
+|AsyncVaried|all except retry|yes|[rcrossref][],[taxize][],[mstrio][]|
 |AsyncQueue|all except retry|yes|---|
 
 **HttpClient** is the main class for doing synchronous HTTP requests. It supports all HTTP verbs including retry. It was the first class in this package. See also `crul::ok()`, which builds on this class.
@@ -50,11 +50,9 @@
 [nsapi]: https://rmhogervorst.nl/nsapi/
 [tradestatistics]: https://docs.ropensci.org/tradestatistics/
 [viafr]: https://github.com/stefanieschneider/viafr
-[fulltext]:https://docs.ropensci.org/fulltext/
 [rdryad]: https://docs.ropensci.org/rdryad/
 [rnoaa]: https://docs.ropensci.org/rnoaa/
 [rcrossref]: https://docs.ropensci.org/rcrossref/
 [taxize]: https://docs.ropensci.org/taxize/
-[rcitoid]: https://docs.ropensci.org/rcitoid/
 [mstrio]: https://cran.r-project.org/package=mstrio
 [dams]: https://jsta.github.io/dams/
diff -Nru r-cran-crul-1.3+dfsg/vignettes/choosing-a-client.Rmd.og r-cran-crul-1.4.0+dfsg/vignettes/choosing-a-client.Rmd.og
--- r-cran-crul-1.3+dfsg/vignettes/choosing-a-client.Rmd.og	2022-08-19 15:05:57.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/choosing-a-client.Rmd.og	2023-05-09 21:52:13.000000000 +0000
@@ -25,8 +25,8 @@
 |HttpClient|all|no|[bcdata][],[chirps][],[duckduckr][],[gfonts][],[mindicador][],[nsapi][],[tradestatistics][],[viafr][]|
 |Paginator|all except retry|no|---|
 |ok|head,get|no|[dams][]|
-|Async|all except retry|yes|[fulltext][],[rdryad][],[rnoaa][]|
-|AsyncVaried|all except retry|yes|[rcrossref][],[taxize][],[rcitoid][],[mstrio][]|
+|Async|all except retry|yes|[rdryad][],[rnoaa][]|
+|AsyncVaried|all except retry|yes|[rcrossref][],[taxize][],[mstrio][]|
 |AsyncQueue|all except retry|yes|---|
 
 **HttpClient** is the main class for doing synchronous HTTP requests. It supports all HTTP verbs including retry. It was the first class in this package. See also `crul::ok()`, which builds on this class.
@@ -57,11 +57,9 @@
 [nsapi]: https://rmhogervorst.nl/nsapi/
 [tradestatistics]: https://docs.ropensci.org/tradestatistics/
 [viafr]: https://github.com/stefanieschneider/viafr
-[fulltext]:https://docs.ropensci.org/fulltext/
 [rdryad]: https://docs.ropensci.org/rdryad/
 [rnoaa]: https://docs.ropensci.org/rnoaa/
 [rcrossref]: https://docs.ropensci.org/rcrossref/
 [taxize]: https://docs.ropensci.org/taxize/
-[rcitoid]: https://docs.ropensci.org/rcitoid/
 [mstrio]: https://cran.r-project.org/package=mstrio
 [dams]: https://jsta.github.io/dams/
diff -Nru r-cran-crul-1.3+dfsg/vignettes/crul.Rmd r-cran-crul-1.4.0+dfsg/vignettes/crul.Rmd
--- r-cran-crul-1.3+dfsg/vignettes/crul.Rmd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/crul.Rmd	2023-05-10 21:55:58.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 1. crul introduction
 author: Scott Chamberlain
-date: "2020-07-10"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{1. crul introduction}
@@ -26,7 +26,8 @@
 
 
 ```r
-remotes::install_github("ropensci/crul")
+install.packages("pak")
+pak::pkg_install("ropensci/crul")
 ```
 
 
@@ -41,7 +42,7 @@
 
 ```r
 (x <- HttpClient$new(
-  url = "https://httpbin.org",
+  url = "https://hb.opencpu.org",
   opts = list(
     timeout = 1
   ),
@@ -50,7 +51,7 @@
   )
 ))
 #> <crul connection> 
-#>   url: https://httpbin.org
+#>   url: https://hb.opencpu.org
 #>   curl options: 
 #>     timeout: 1
 #>   proxies: 
@@ -86,7 +87,7 @@
 curl options.
 
 Here, we'll do a __GET__ request on the route `/get` on our base url
-`https://httpbin.org` (the full url is then `https://httpbin.org/get`)
+`https://hb.opencpu.org` (the full url is then `https://hb.opencpu.org/get`)
 
 
 ```r
@@ -116,16 +117,15 @@
 #>  [76] 6c 69 63 61 74 69 6f 6e 2f 6a 73 6f 6e 2c 20 74 65 78 74 2f 78 6d 6c 2c 20
 #> [101] 61 70 70 6c 69 63 61 74 69 6f 6e 2f 78 6d 6c 2c 20 2a 2f 2a 22 2c 20 0a 20
 #> [126] 20 20 20 22 41 63 63 65 70 74 2d 45 6e 63 6f 64 69 6e 67 22 3a 20 22 67 7a
-#> [151] 69 70 2c 20 64 65 66 6c 61 74 65 22 2c 20 0a 20 20 20 20 22 48 6f 73 74 22
-#> [176] 3a 20 22 68 74 74 70 62 69 6e 2e 6f 72 67 22 2c 20 0a 20 20 20 20 22 55 73
-#> [201] 65 72 2d 41 67 65 6e 74 22 3a 20 22 6c 69 62 63 75 72 6c 2f 37 2e 36 34 2e
-#> [226] 31 20 72 2d 63 75 72 6c 2f 34 2e 33 20 63 72 75 6c 2f 30 2e 39 2e 34 2e 39
-#> [251] 31 22 2c 20 0a 20 20 20 20 22 58 2d 41 6d 7a 6e 2d 54 72 61 63 65 2d 49 64
-#> [276] 22 3a 20 22 52 6f 6f 74 3d 31 2d 35 66 30 38 64 36 63 65 2d 61 61 32 30 39
-#> [301] 37 30 64 63 62 63 31 33 64 30 61 37 65 38 66 32 35 65 36 22 0a 20 20 7d 2c
-#> [326] 20 0a 20 20 22 6f 72 69 67 69 6e 22 3a 20 22 32 34 2e 32 31 2e 32 32 39 2e
-#> [351] 35 39 22 2c 20 0a 20 20 22 75 72 6c 22 3a 20 22 68 74 74 70 73 3a 2f 2f 68
-#> [376] 74 74 70 62 69 6e 2e 6f 72 67 2f 67 65 74 22 0a 7d 0a
+#> [151] 69 70 2c 20 64 65 66 6c 61 74 65 22 2c 20 0a 20 20 20 20 22 43 6f 6e 6e 65
+#> [176] 63 74 69 6f 6e 22 3a 20 22 63 6c 6f 73 65 22 2c 20 0a 20 20 20 20 22 48 6f
+#> [201] 73 74 22 3a 20 22 68 74 74 70 62 69 6e 3a 38 30 38 30 22 2c 20 0a 20 20 20
+#> [226] 20 22 55 73 65 72 2d 41 67 65 6e 74 22 3a 20 22 6c 69 62 63 75 72 6c 2f 37
+#> [251] 2e 38 37 2e 30 20 72 2d 63 75 72 6c 2f 35 2e 30 2e 30 20 63 72 75 6c 2f 31
+#> [276] 2e 33 2e 39 31 30 30 22 0a 20 20 7d 2c 20 0a 20 20 22 6f 72 69 67 69 6e 22
+#> [301] 3a 20 22 31 37 32 2e 31 38 2e 30 2e 34 22 2c 20 0a 20 20 22 75 72 6c 22 3a
+#> [326] 20 22 68 74 74 70 3a 2f 2f 68 74 74 70 62 69 6e 3a 38 30 38 30 2f 67 65 74
+#> [351] 22 0a 7d 0a
 ```
 
 HTTP method
@@ -142,7 +142,7 @@
 ```r
 res$request_headers
 #> $`User-Agent`
-#> [1] "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91"
+#> [1] "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"
 #> 
 #> $`Accept-Encoding`
 #> [1] "gzip, deflate"
@@ -160,25 +160,34 @@
 ```r
 res$response_headers
 #> $status
-#> [1] "HTTP/2 200 "
+#> [1] "HTTP/1.1 200 OK"
+#> 
+#> $server
+#> [1] "nginx/1.20.2"
 #> 
 #> $date
-#> [1] "Fri, 10 Jul 2020 20:59:58 GMT"
+#> [1] "Wed, 10 May 2023 21:55:58 GMT"
 #> 
 #> $`content-type`
 #> [1] "application/json"
 #> 
 #> $`content-length`
-#> [1] "393"
+#> [1] "354"
 #> 
-#> $server
-#> [1] "gunicorn/19.9.0"
+#> $connection
+#> [1] "keep-alive"
 #> 
 #> $`access-control-allow-origin`
 #> [1] "*"
 #> 
 #> $`access-control-allow-credentials`
 #> [1] "true"
+#> 
+#> $`x-powered-by`
+#> [1] "Flask"
+#> 
+#> $`x-processed-time`
+#> [1] "0"
 ```
 
 All response headers, including intermediate headers, if any
@@ -188,25 +197,34 @@
 res$response_headers_all
 #> [[1]]
 #> [[1]]$status
-#> [1] "HTTP/2 200 "
+#> [1] "HTTP/1.1 200 OK"
+#> 
+#> [[1]]$server
+#> [1] "nginx/1.20.2"
 #> 
 #> [[1]]$date
-#> [1] "Fri, 10 Jul 2020 20:59:58 GMT"
+#> [1] "Wed, 10 May 2023 21:55:58 GMT"
 #> 
 #> [[1]]$`content-type`
 #> [1] "application/json"
 #> 
 #> [[1]]$`content-length`
-#> [1] "393"
+#> [1] "354"
 #> 
-#> [[1]]$server
-#> [1] "gunicorn/19.9.0"
+#> [[1]]$connection
+#> [1] "keep-alive"
 #> 
 #> [[1]]$`access-control-allow-origin`
 #> [1] "*"
 #> 
 #> [[1]]$`access-control-allow-credentials`
 #> [1] "true"
+#> 
+#> [[1]]$`x-powered-by`
+#> [1] "Flask"
+#> 
+#> [[1]]$`x-processed-time`
+#> [1] "0"
 ```
 
 And you can parse the content with a provided function:
@@ -214,7 +232,7 @@
 
 ```r
 res$parse()
-#> [1] "{\n  \"args\": {}, \n  \"headers\": {\n    \"A\": \"hello world\", \n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Host\": \"httpbin.org\", \n    \"User-Agent\": \"libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91\", \n    \"X-Amzn-Trace-Id\": \"Root=1-5f08d6ce-aa20970dcbc13d0a7e8f25e6\"\n  }, \n  \"origin\": \"24.21.229.59\", \n  \"url\": \"https://httpbin.org/get\"\n}\n"
+#> [1] "{\n  \"args\": {}, \n  \"headers\": {\n    \"A\": \"hello world\", \n    \"Accept\": \"application/json, text/xml, application/xml, */*\", \n    \"Accept-Encoding\": \"gzip, deflate\", \n    \"Connection\": \"close\", \n    \"Host\": \"httpbin:8080\", \n    \"User-Agent\": \"libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100\"\n  }, \n  \"origin\": \"172.18.0.4\", \n  \"url\": \"http://httpbin:8080/get\"\n}\n"
 jsonlite::fromJSON(res$parse())
 #> $args
 #> named list()
@@ -229,21 +247,21 @@
 #> $headers$`Accept-Encoding`
 #> [1] "gzip, deflate"
 #> 
+#> $headers$Connection
+#> [1] "close"
+#> 
 #> $headers$Host
-#> [1] "httpbin.org"
+#> [1] "httpbin:8080"
 #> 
 #> $headers$`User-Agent`
-#> [1] "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91"
-#> 
-#> $headers$`X-Amzn-Trace-Id`
-#> [1] "Root=1-5f08d6ce-aa20970dcbc13d0a7e8f25e6"
+#> [1] "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"
 #> 
 #> 
 #> $origin
-#> [1] "24.21.229.59"
+#> [1] "172.18.0.4"
 #> 
 #> $url
-#> [1] "https://httpbin.org/get"
+#> [1] "http://httpbin:8080/get"
 ```
 
 With the `HttpClient` object, which holds any configuration stuff
@@ -263,12 +281,12 @@
 
 
 ```r
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 f <- tempfile()
 res <- x$get(disk = f)
 # when using write to disk, content is a path
 res$content 
-#> [1] "/var/folders/fc/n7g_vrvn0sx_st0p8lxb3ts40000gn/T//RtmppSPqIf/file20b5651a4a3a"
+#> [1] "/var/folders/vw/4nm3x1ld0_jgmqy6_yf6pz3c0000gn/T//RtmpZ9O9vQ/file17033155d5263"
 ```
 
 Read lines
@@ -276,25 +294,25 @@
 
 ```r
 readLines(res$content, n = 10)
-#>  [1] "<!DOCTYPE html>"                                                                                                               
-#>  [2] "<html lang=\"en\">"                                                                                                            
-#>  [3] ""                                                                                                                              
-#>  [4] "<head>"                                                                                                                        
-#>  [5] "    <meta charset=\"UTF-8\">"                                                                                                  
-#>  [6] "    <title>httpbin.org</title>"                                                                                                
-#>  [7] "    <link href=\"https://fonts.googleapis.com/css?family=Open+Sans:400,700|Source+Code+Pro:300,600|Titillium+Web:400,600,700\""
-#>  [8] "        rel=\"stylesheet\">"                                                                                                   
-#>  [9] "    <link rel=\"stylesheet\" type=\"text/css\" href=\"/flasgger_static/swagger-ui.css\">"                                      
-#> [10] "    <link rel=\"icon\" type=\"image/png\" href=\"/static/favicon.ico\" sizes=\"64x64 32x32 16x16\" />"
+#>  [1] "<!DOCTYPE html>"                                                                           
+#>  [2] "<html>"                                                                                    
+#>  [3] "<head>"                                                                                    
+#>  [4] "  <meta http-equiv='content-type' value='text/html;charset=utf8'>"                         
+#>  [5] "  <meta name='generator' value='Ronn/v0.7.3 (http://github.com/rtomayko/ronn/tree/0.7.3)'>"
+#>  [6] "  <title>httpbin(1): HTTP Client Testing Service</title>"                                  
+#>  [7] "  <style type='text/css' media='all'>"                                                     
+#>  [8] "  /* style: man */"                                                                        
+#>  [9] "  body#manpage {margin:0}"                                                                 
+#> [10] "  .mp {max-width:100ex;padding:0 9ex 1ex 4ex}"
 ```
 
 ## stream data
 
 
 ```r
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 #> <crul connection> 
-#>   url: https://httpbin.org
+#>   url: https://hb.opencpu.org
 #>   curl options: 
 #>   proxies: 
 #>   auth: 
@@ -302,11 +320,11 @@
 #>   progress: FALSE
 #>   hooks:
 res <- x$get('stream/5', stream = function(x) cat(rawToChar(x)))
-#> {"url": "https://httpbin.org/stream/5", "args": {}, "headers": {"Host": "httpbin.org", "X-Amzn-Trace-Id": "Root=1-5f08d6cf-871364ce53d065c8d32eefd4", "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*"}, "origin": "24.21.229.59", "id": 0}
-#> {"url": "https://httpbin.org/stream/5", "args": {}, "headers": {"Host": "httpbin.org", "X-Amzn-Trace-Id": "Root=1-5f08d6cf-871364ce53d065c8d32eefd4", "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*"}, "origin": "24.21.229.59", "id": 1}
-#> {"url": "https://httpbin.org/stream/5", "args": {}, "headers": {"Host": "httpbin.org", "X-Amzn-Trace-Id": "Root=1-5f08d6cf-871364ce53d065c8d32eefd4", "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*"}, "origin": "24.21.229.59", "id": 2}
-#> {"url": "https://httpbin.org/stream/5", "args": {}, "headers": {"Host": "httpbin.org", "X-Amzn-Trace-Id": "Root=1-5f08d6cf-871364ce53d065c8d32eefd4", "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*"}, "origin": "24.21.229.59", "id": 3}
-#> {"url": "https://httpbin.org/stream/5", "args": {}, "headers": {"Host": "httpbin.org", "X-Amzn-Trace-Id": "Root=1-5f08d6cf-871364ce53d065c8d32eefd4", "User-Agent": "libcurl/7.64.1 r-curl/4.3 crul/0.9.4.91", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*"}, "origin": "24.21.229.59", "id": 4}
+#> {"url": "http://httpbin:8080/stream/5", "headers": {"Connection": "close", "Host": "httpbin:8080", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*", "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"}, "args": {}, "id": 0, "origin": "172.18.0.4"}
+#> {"url": "http://httpbin:8080/stream/5", "headers": {"Connection": "close", "Host": "httpbin:8080", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*", "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"}, "args": {}, "id": 1, "origin": "172.18.0.4"}
+#> {"url": "http://httpbin:8080/stream/5", "headers": {"Connection": "close", "Host": "httpbin:8080", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*", "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"}, "args": {}, "id": 2, "origin": "172.18.0.4"}
+#> {"url": "http://httpbin:8080/stream/5", "headers": {"Connection": "close", "Host": "httpbin:8080", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*", "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"}, "args": {}, "id": 3, "origin": "172.18.0.4"}
+#> {"url": "http://httpbin:8080/stream/5", "headers": {"Connection": "close", "Host": "httpbin:8080", "Accept-Encoding": "gzip, deflate", "Accept": "application/json, text/xml, application/xml, */*", "User-Agent": "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"}, "args": {}, "id": 4, "origin": "172.18.0.4"}
 # when streaming, content is NULL
 res$content 
 #> NULL
diff -Nru r-cran-crul-1.3+dfsg/vignettes/crul.Rmd.og r-cran-crul-1.4.0+dfsg/vignettes/crul.Rmd.og
--- r-cran-crul-1.3+dfsg/vignettes/crul.Rmd.og	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/crul.Rmd.og	2023-05-10 02:57:55.000000000 +0000
@@ -31,7 +31,8 @@
 Dev version
 
 ```{r eval=FALSE}
-remotes::install_github("ropensci/crul")
+install.packages("pak")
+pak::pkg_install("ropensci/crul")
 ```
 
 ```{r}
@@ -44,7 +45,7 @@
 
 ```{r}
 (x <- HttpClient$new(
-  url = "https://httpbin.org",
+  url = "https://hb.opencpu.org",
   opts = list(
     timeout = 1
   ),
@@ -73,7 +74,7 @@
 curl options.
 
 Here, we'll do a __GET__ request on the route `/get` on our base url
-`https://httpbin.org` (the full url is then `https://httpbin.org/get`)
+`https://hb.opencpu.org` (the full url is then `https://hb.opencpu.org/get`)
 
 ```{r}
 res <- x$get("get")
@@ -141,7 +142,7 @@
 ## write to disk
 
 ```{r}
-x <- HttpClient$new(url = "https://httpbin.org")
+x <- HttpClient$new(url = "https://hb.opencpu.org")
 f <- tempfile()
 res <- x$get(disk = f)
 # when using write to disk, content is a path
@@ -157,7 +158,7 @@
 ## stream data
 
 ```{r}
-(x <- HttpClient$new(url = "https://httpbin.org"))
+(x <- HttpClient$new(url = "https://hb.opencpu.org"))
 res <- x$get('stream/5', stream = function(x) cat(rawToChar(x)))
 # when streaming, content is NULL
 res$content 
diff -Nru r-cran-crul-1.3+dfsg/vignettes/curl-options.Rmd r-cran-crul-1.4.0+dfsg/vignettes/curl-options.Rmd
--- r-cran-crul-1.3+dfsg/vignettes/curl-options.Rmd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/curl-options.Rmd	2023-05-10 21:57:33.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 4. curl options
 author: Scott Chamberlain
-date: "2021-02-05"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{4. curl options}
@@ -114,10 +114,10 @@
 Just do a `HEAD` request so we don't have to deal with big output
 
 ```r
-HttpClient$new("https://httpbin.org", 
+HttpClient$new("https://hb.opencpu.org", 
   opts = list(verbose = TRUE))$head()
 #> > HEAD / HTTP/1.1
-#> Host: httpbin.org
+#> Host: hb.opencpu.org
 #> User-Agent: libcurl/7.54.0 r-curl/3.2 crul/0.5.4.9521
 #> Accept: */*
 #> Accept-Encoding: gzip, deflate
@@ -145,7 +145,7 @@
 
 
 ```r
-x <- HttpClient$new("https://httpbin.org", 
+x <- HttpClient$new("https://hb.opencpu.org", 
   headers = list(
     Accept = "application/json", 
     foo = "bar"
@@ -154,7 +154,7 @@
 )
 x$head()
 #> > HEAD / HTTP/1.1
-#> Host: httpbin.org
+#> Host: hb.opencpu.org
 #> User-Agent: libcurl/7.54.0 r-curl/3.2 crul/0.5.4.9521
 #> Accept-Encoding: gzip, deflate
 #> Accept: application/json
@@ -202,13 +202,13 @@
 
 
 ```r
-HttpClient$new("https://httpbin.org/get", headers = list(Authorization = "Bearer 234kqhrlj2342"))
+HttpClient$new("https://hb.opencpu.org/get", headers = list(Authorization = "Bearer 234kqhrlj2342"))
 ```
 
 or as a query parameter (which is passed in the URL string)
 
 ```r
-HttpClient$new("https://httpbin.org/get", query = list(api_key = "<your key>"))
+HttpClient$new("https://hb.opencpu.org/get", query = list(api_key = "<your key>"))
 ```
 
 Another authentication option is OAuth. OAuth is not supported in `crul` yet. You can always do OAuth with 
@@ -266,7 +266,7 @@
 * `HttpClient$new(progress = fxn)`
 
 ```r
-x <- HttpClient$new("https://httpbin.org/get", progress = httr::progress())
+x <- HttpClient$new("https://hb.opencpu.org/get", progress = httr::progress())
 #> |==================================| 100%
 ```
 
diff -Nru r-cran-crul-1.3+dfsg/vignettes/curl-options.Rmd.og r-cran-crul-1.4.0+dfsg/vignettes/curl-options.Rmd.og
--- r-cran-crul-1.3+dfsg/vignettes/curl-options.Rmd.og	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/curl-options.Rmd.og	2023-05-10 21:57:23.000000000 +0000
@@ -121,10 +121,10 @@
 Just do a `HEAD` request so we don't have to deal with big output
 
 ```r
-HttpClient$new("https://httpbin.org", 
+HttpClient$new("https://hb.opencpu.org", 
   opts = list(verbose = TRUE))$head()
 #> > HEAD / HTTP/1.1
-#> Host: httpbin.org
+#> Host: hb.opencpu.org
 #> User-Agent: libcurl/7.54.0 r-curl/3.2 crul/0.5.4.9521
 #> Accept: */*
 #> Accept-Encoding: gzip, deflate
@@ -152,7 +152,7 @@
 
 
 ```r
-x <- HttpClient$new("https://httpbin.org", 
+x <- HttpClient$new("https://hb.opencpu.org", 
   headers = list(
     Accept = "application/json", 
     foo = "bar"
@@ -161,7 +161,7 @@
 )
 x$head()
 #> > HEAD / HTTP/1.1
-#> Host: httpbin.org
+#> Host: hb.opencpu.org
 #> User-Agent: libcurl/7.54.0 r-curl/3.2 crul/0.5.4.9521
 #> Accept-Encoding: gzip, deflate
 #> Accept: application/json
@@ -209,13 +209,13 @@
 
 
 ```r
-HttpClient$new("https://httpbin.org/get", headers = list(Authorization = "Bearer 234kqhrlj2342"))
+HttpClient$new("https://hb.opencpu.org/get", headers = list(Authorization = "Bearer 234kqhrlj2342"))
 ```
 
 or as a query parameter (which is passed in the URL string)
 
 ```r
-HttpClient$new("https://httpbin.org/get", query = list(api_key = "<your key>"))
+HttpClient$new("https://hb.opencpu.org/get", query = list(api_key = "<your key>"))
 ```
 
 Another authentication option is OAuth. OAuth is not supported in `crul` yet. You can always do OAuth with 
@@ -273,7 +273,7 @@
 * `HttpClient$new(progress = fxn)`
 
 ```r
-x <- HttpClient$new("https://httpbin.org/get", progress = httr::progress())
+x <- HttpClient$new("https://hb.opencpu.org/get", progress = httr::progress())
 #> |==================================| 100%
 ```
 
diff -Nru r-cran-crul-1.3+dfsg/vignettes/how-to-use-crul.Rmd r-cran-crul-1.4.0+dfsg/vignettes/how-to-use-crul.Rmd
--- r-cran-crul-1.3+dfsg/vignettes/how-to-use-crul.Rmd	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/how-to-use-crul.Rmd	2023-05-10 21:56:02.000000000 +0000
@@ -1,7 +1,7 @@
 ---
 title: 2. crul workflows
 author: Scott Chamberlain
-date: "2020-07-09"
+date: "2023-05-10"
 output: rmarkdown::html_vignette
 vignette: >
     %\VignetteIndexEntry{2. crul workflows}
@@ -59,7 +59,7 @@
 
 
 ```r
-make_request("https://httpbin.org/get")
+make_request("https://hb.opencpu.org/get")
 #> $args
 #> named list()
 #> 
@@ -70,21 +70,21 @@
 #> $headers$`Accept-Encoding`
 #> [1] "gzip, deflate"
 #> 
+#> $headers$Connection
+#> [1] "close"
+#> 
 #> $headers$Host
-#> [1] "httpbin.org"
+#> [1] "httpbin:8080"
 #> 
 #> $headers$`User-Agent`
-#> [1] "libcurl/7.64.1 r-curl/4.3 crul/0.9.2.93"
-#> 
-#> $headers$`X-Amzn-Trace-Id`
-#> [1] "Root=1-5f077ab0-7142dc982d077268af3d2a28"
+#> [1] "libcurl/7.87.0 r-curl/5.0.0 crul/1.3.9100"
 #> 
 #> 
 #> $origin
-#> [1] "24.21.229.59"
+#> [1] "172.18.0.4"
 #> 
 #> $url
-#> [1] "https://httpbin.org/get"
+#> [1] "http://httpbin:8080/get"
 ```
 
 Now you can use the `make_request` function in your script or package.
@@ -143,7 +143,7 @@
 #> named list()
 #> 
 #> $message$`total-results`
-#> [1] 115235329
+#> [1] 144645917
 #> 
 #> $message$items
 #> list()
@@ -189,7 +189,7 @@
 #> named list()
 #> 
 #> $message$`total-results`
-#> [1] 115235329
+#> [1] 144645917
 #> 
 #> $message$items
 #> list()
diff -Nru r-cran-crul-1.3+dfsg/vignettes/how-to-use-crul.Rmd.og r-cran-crul-1.4.0+dfsg/vignettes/how-to-use-crul.Rmd.og
--- r-cran-crul-1.3+dfsg/vignettes/how-to-use-crul.Rmd.og	2021-08-16 21:05:01.000000000 +0000
+++ r-cran-crul-1.4.0+dfsg/vignettes/how-to-use-crul.Rmd.og	2023-05-10 21:54:32.000000000 +0000
@@ -64,7 +64,7 @@
 
 
 ```{r}
-make_request("https://httpbin.org/get")
+make_request("https://hb.opencpu.org/get")
 ```
 
 Now you can use the `make_request` function in your script or package.