From their site: The Twitxr API has been created to let users and partners develop applications which can interact with Twitxr. The API returns Twitxr data in a form that can be easily integrated into any application or web site. With twitxr you can share a moment, a picture, a thought, instantly with your mobile phone. Take a picture, type a short text, and then post it. Automatically post to your Twitter, Flickr and Facebook profile.