The streaming music service expands its Web API -- an developer toolbox and instruction set -- with smart music discovery capabilities from its Echo Nest takeover.

Spotify is trying to make it easier for developers to use both the Spotify platform and newly purchased The Echo Nest in a new update to its API rolling out today.

ShareMyPlaylists, the Spotify community and playlist sharing site, has released an API so that developers can get access to its treasure trove of playlist data -- 120,000 playlists, referencing a ...