1) Get token from AE:
Register with Spotify (data-ae-scopes="streaming user-read-email user-read-private")
Register with Spotify (data-ae-scopes="user-modify-playback-state user-read-email user-read-private")
Register with Spotify (data-ae-scopes="user-modify-playback-state")
2) Use token from Spotify
You can test with a token from Spotify by going here, clicking the GET YOUR ACCESS TOKEN button and then pasting the value it gives you below.
Enter your token here: