The FriendFeed API enables developers to interact with the FriendFeed web site programmatically via simple HTTP requests. FriendFeed is a service that makes it easy to share with friends online. It offers a fun and interactive way to discover and discuss information among friends.
The API uses RESTful calls and supports methods such as downloading and reading feeds and more. It's designed to make it possible for anyone to improve FriendFeed or integrate FriendFeed into other applications. Users can develop FriendFeed interface for a mobile phone, build a FriendFeed widget for blogs, or develop an application that makes it easy to post photos to a feed from an iPhone. The API supports both XML and JSON output formats.