Pydora is a Python-based implementation of the Unofficial Pandora API. While Pydora is fairly complete, it doesn't include any of the undocumented features, or most of the account management features, of the API.
Eleven APIs have been added to the ProgrammableWeb directory in categories including Stocks, Shipping, Funding, and Music. Highlights include the Spatial Neighborhood API which delivers data about human behavior based on micro-locations, and the Patreon API for crowdfunding creative services.
ShareMyPlaylists, a Spotify playlist sharing site, has just announced the release of the ShareMyPlaylists API, allowing developers access to thousands of playlists, millions of song tracks and a wealth of playlist metadata.