Spotcast - custom component to start playback on an idle chromecast device

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686

I solved it by going:

Enter the Edit Settings dialog of your newly-created application and add a Redirect URI:

https://<your_home_assistant_url_or_local_ip>:<port>/auth/external/callback

instead of
https://<your_home_assistant_url_or_local_ip>:<port>//api/spotify`

Thanks