His fork has more details: Please ensure that your browser supports and accepts cookies, or your comment cannot be verified correctly.global online gambling revenue ONLINE AUS Use this form to generate example oAuth signatures. You can use those signatures to do example calls to an API or to verify the signature generator you have. An alternative tool for checking OAuth signatures can be found at . The HMAC-SHA1 algorithm will generate an octet string as the result. The octet string must. OAuth signature checker. A lot of developers have issues with OAuth, especially since Twitter decided that all developers must have upgraded to OAuth.