The Chatter REST API provides access to Chatter functionality, including feeds, users, groups, followers, and files. Being a REST API, it can be integrated in Web, mobile, and desktop applications built in any technology that is capable of making HTTP requests. It is a valuable alternative to using the Chatter data model directly, hiding the details of how Chatter data is represented and offering a high-level API instead.
For more information about the Chatter REST API, consult the Chatter REST API Developer’s Guide, found at http://www.salesforce.com/us/developer/docs/chatterapi/index.htm.
To get started with Chatter REST API, examine some examples of REST requests for common Chatter functionality. ...