The Spotify desktop client is running a server and the play button acts as a remote. It's using regular get requests and seems to require a CORS-compatible browser. It's the same as typing a Spotify URI in your address…
The Spotify desktop client is running a server and the play button acts as a remote. It's using regular get requests and seems to require a CORS-compatible browser. It's the same as typing a Spotify URI in your address…