The LoginRadius Node.js SDK is a development kit that lets developers integrate different social media login i.e. Facebook, Twitter, etc, with their applications. With this SDK, developers can access the LoginRadius API using Node.js.
Facebook has released a Canvas API for Advertisers that can be used to create compelling canvas ads on Facebook. Advertisers can now create canvas components via API such as header, carousel, button, and text. Advertisers can add Canvas to any Facebook photo, video or carousel ad.
Google this week released a new API for Friend Connect (our new Friend Connect API Profile), its relatively new service that enables social networking features to be easily added to any existing web site (utilizing copy and paste code that leverages OpenID, OAuth, and OpenSocial). The API allows developers to tap into some of the core features of Friend Connect.