httr: Tools for working with URLs and HTTP

Provides useful tools for working with HTTP. The API is based around http verbs (GET(), POST(), etc) with pluggable components to control the request (authenticate(), add_headers() and so on).

Version: 0.5
Depends: R (≥ 3.0.0)
Imports: RCurl (≥ 1.95-0), stringr (≥ 0.6.1), digest, tools, methods, jsonlite
Suggests: XML, testthat (≥ 0.8.0), png, jpeg, httpuv, knitr
Published: 2014-09-02
Author: Hadley Wickham [cre, aut, cph], RStudio [cph]
Maintainer: Hadley Wickham <hadley at>
License: MIT + file LICENSE
NeedsCompilation: yes
Materials: README
In views: WebTechnologies
CRAN checks: httr results


Reference manual: httr.pdf
Vignettes: Best practices for writing an API package
httr quickstart guide
Package source: httr_0.5.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X Snow Leopard binaries: r-release: httr_0.4.tgz, r-oldrel: httr_0.4.tgz
OS X Mavericks binaries: r-release: httr_0.4.tgz
Old sources: httr archive

Reverse dependencies:

Reverse depends: hoardeR, Rcolombos, Rfacebook, RGoogleAnalytics, rHealthDataGov, RSocrata, WikipediR
Reverse imports: alm, AntWeb, archivist, bold, devtools, ecoengine, gmailr, imguR, knitcitations, ngramr, opencpu, pollstR, primerTree, pushoverr, pvsR, rbhl, rbison, rebird, repmis, rfigshare, rfisheries, RGA, rgauges, rgbif, rinat, RNeXML, rnoaa, rplos, RSiteCatalyst, rsnps, rsunlight, rvertnet, rWBclimate, SocialMediaMineR, solr, spocc, sweSCB, swirl, taxize, translateR, yhatr
Reverse suggests: aemo, fbRanks, jsonlite, leafletR, nat