Configuring Napster
To integrate with Napster you need to have a Developer App created at Napster For Developers Portal.
Once logged in, click on Create and set up your application.
After creating app, or if you already have existing app to copy API Key and API Secret

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Make sure you save the copied API Key and Secret in the MusicAPI Admin and mark the integration as Enabled, so your users can see it.
To open Napster authorization you can either redirect user to:
which will open Napster authentication flow.
Or you can just point your users to:
where they will be able to select which music service they want to login with.