HTTP Request & Response Server. An incomplete clone of
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HTTParrot Build Status

HTTP server built on top of Cowboy using (mostly) cowboy_rest handlers to serve useful endpoints for testing purposes. Its goal is to be as close as possible to HTTPBin.


  • / This page.
  • /ip Returns Origin IP.
  • /user-agent Returns user-agent.
  • /headers Returns header dict.
  • /get Returns GET data.
  • /post Returns POST data.
  • /put Returns PUT data.
  • /patch Returns PATCH data.
  • /delete Returns DELETE data
  • /gzip Returns gzip-encoded data.
  • /status/:code Returns given HTTP Status code.
  • /response-headers?key=val Returns given response headers.
  • /redirect/:n 301 Redirects n times.
  • /redirect-to?url=foo 301 Redirects to the foo URL.
  • /relative-redirect/:n 301 Relative redirects n times.
  • /cookies Returns cookie data.
  • /cookies/set?name=value Sets one or more simple cookies.
  • /cookies/set/name/value Sets one cookie .
  • /cookies/delete?name Deletes one or more simple cookies.
  • /basic-auth/:user/:passwd Challenges HTTPBasic Auth.
  • /hidden-basic-auth/:user/:passwd 404'd BasicAuth.
  • /digest-auth/:qop/:user/:passwd Challenges HTTP Digest Auth.
  • /stream/:n Streams n–100 lines.
  • /delay/:n Delays responding for n–10 seconds.
  • /html Renders an HTML Page.
  • /robots.txt Returns some robots.txt rules.
  • /deny Denied by robots.txt file.
  • /cache Returns 200 unless an If-Modified-Since header is provided, when it returns a 304 Not Modified.
  • /base64/:value Decodes base64url-encoded string.
  • /image Return an image based on Accept header.
  • /websocket Echo message received through websocket


  • /deflate Returns deflate-encoded data.
  • /digest-auth/:qop/:user/:passwd Challenges HTTP Digest Auth.


Copyright 2013-2016 Eduardo Gurgel <>

This work is free. You can redistribute it and/or modify it under the
terms of the MIT License. See the LICENSE file for more details.