Just providing the Spotify client ID and secret won’t work. You must also set the exact redirect URI in your Spotify Developer Dashboard, otherwise Spotify will reject the authorization request. From the link sockseek opened it looks like it uses this: http://127.0.0.1:48721/callback
Just providing the Spotify client ID and secret won’t work. You must also set the exact redirect URI in your Spotify Developer Dashboard, otherwise Spotify will reject the authorization request. From the link sockseek opened it looks like it uses this: http://127.0.0.1:48721/callback