Deezer API
Deezer (deezer.com) has 3 public methods: get album, get song details and list top charts. Each costs 1 credit per completed run (1¢ with pay as you go); failed runs are free.
Unofficial. Not affiliated with or endorsed by Deezer.
Methods
3Looks up a Deezer album by name, album link, or ID, optionally matching an artist, and returns its details and ordered tracklist.
Returns title, artist, release date, label, genres, track count, length, fans, cover, links, tracklist
Readdeezer.com/get_albumGets a Deezer song's tempo, ISRC, loudness gain and recording details from its title, track link or track ID. An artist name helps pick the right recording.
Returns title, artist, album, release_date, length, tempo_bpm, isrc, loudness_gain_db, explicit, preview_link, deezer_link, track_id, length_seconds
Readdeezer.com/get_song_detailsLists current worldwide top tracks, albums or artists on Deezer in chart order, or tracks from Deezer's official Top <country> playlist.
Returns rank, title, artist, album, length, image, link, id
Readdeezer.com/list_top_charts