Modern applications need to deal with authentication, single sign-on and federation as well as web API access and delegated authorization. Solving both problems required either using a bunch of protocols that often don’t work together really well, or coming up with a proprietary solution. OpenID Connect wants to rectify that situation – it defines an authentication protocol on top of OAuth2 to solve both the authentication as well as the delegated API access problem. Being based on simple HTTP interactions it also allows for true cross-platform. Learn how.