Serverless OAuth is now possible

Visit OAuth.io - See the source on Github

How to use OAuth.io SDK? it's really simple!

After loading oauth.js, you can use OAuth object to authorize your user like this:

// Initialize with your OAuth.io app public key
OAuth.initialize('Public key');
OAuth.popup('facebook', function(error, success){
  // See the result below
});

Successful connection with

Connection fail with

70+ APIs supported