OpenID and OAuth: What's the difference?
I’m currently in the middle of upgrading ConceptHQ Accounts to accept a small subset of third party identity providers. Microsoft Account (previously Windows Live ID), Google, Facebook, and Twitter. However they all have a slightly different ways of allowing you to authenticate users with them. Facebook: OAuth 2.0 Twitter: OAuth 1.0A Microsoft Account: OAuth 2.0 Google: OpenID Google is the only IdP there that supports OpenID however they are actively encouraging developers to move towards using “Google+ Sign-in” which is an OAuth provider. [Read More]