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httr is organised around the six most common http verbs: GET(), PATCH(), POST(), HEAD(), PUT(), and DELETE().


Each request returns a response() object which provides easy access to status code, cookies, headers, timings, and other useful info. The content of the request is available as a raw vector (content()), character vector (text_content()), or parsed into an R object (parsed_content()), currently for html, xml, json, png and jpeg).

Requests can be modified by various config options like set_cookies(), add_headers(), authenticate(), use_proxy(), verbose(), and timeout()

httr supports OAuth 1.0 and 2.0. Use oauth1.0_token() and oauth2.0_token() to get user tokens, and sign_oauth1.0() and sign_oauth2.0() to sign requests. The demos directory has twelve demos of using OAuth: four for 1.0 (linkedin, twitter, vimeo, and yahoo) and eight for 2.0 (azure, facebook, github, google, linkedin, reddit, yahoo, and yelp).


Maintainer: Hadley Wickham

Other contributors:

  • RStudio [copyright holder, funder]