OAuth 1.0 Reference Page
A HTML page that computes an OAuth 1.0 signature, showing all the workings so you can debug your own implementation.
It supports POSTs in the form of
application/x-www-form-urlencoded, as well as POSTs of
application/json using the
Authorization header - just put the XML or JSON into the 'body' field and set the 'body encoding' accordingly.
If you're using POST or PUT, it's best to copy the curl command output into a terminal window