What types of file formats are used by streaming services?

The file formats used by each streaming service are as follows:

SoundCloud GO+ : MP3 128kbps、AAC 256kbps
SoundCloud DJ : MP3 128kbps、AAC 256kbps
TIDAL HiFi : FLAC 44.1kHz 16bit、AAC 320kbps
TIDAL Premium：AAC 320kbps
Beatport Streaming : AAC (*)

(*) The bitrate varies depending on your subscription plan.

For more details, check the website of each streaming service.
Beatport