Choose the request method, customize headers and POST parameters, add basic authorization, and even follow redirects.
Then view the nicely formatted request and response.
It's the perfect tool for testing APIs. Just enter a URL and click send.
Hurl was created by Chris Wanstrath and Leah Culver
for the 2009 Rails Rumble.
Hurl is now maintained by Twilio
Follow Hurl on Twitter: @hurlit
Grab the source code: http://github.com/twilio/hurl
... and it's kind of like cURL.