tl;dr Use: play a track (win/mac/linux), enter “spotify:app:visualizer” in the search box, enjoy! Code: https://github.com/spotify/visualizer-app Docs: https://developer.spotify.com/docs/apps/api/1.0/api-audio.html Spotify has hosted many hackathons since the launch of Apps API, and one of the most requested feature is audio visualization API. Developers want to build cool audio-visual apps wit