Soundcloud's API docs are quite impressive esp. their use of apigee console to test things out in the browser: http://developers.soundcloud.com/docs/ http://dev

Soundcloud's API docs are quite impressive esp. their use of apigee console to test things out in the browser: http://developers.soundcloud.com/docs/ http://developers.soundcloud.com/docs/ There's also a startup dedicated to (startup) API docs :) http://turnapi.com/ http://turnapi.com/