Endpoints for retrieving information about one or more tracks from the Spotify catalog and for managing playlist tracks and tracks saved in the user’s library.

Base URL: https://api.spotify.com

MethodEndpointUsageReturns 
GET/v1/audio-features/{id}Get audio features for a trackaudio featuresOAuth
GET/v1/audio-features?ids={ids}Get audio features for several tracksaudio featuresOAuth
GET
/v1/tracks/{id}
Get a tracktracks
GET
/v1/tracks?ids={ids}
Get several trackstracks