Mostly it generates a key that users can paste into an application. It also implements - Stripe payments - “Sign in with GitHub” - JSON API to validate keys

Mostly it generates a key that users can paste into an application. It also implements - Stripe payments - “Sign in with GitHub” - JSON API to validate keys This is nice because it means you don’t need a user system in your app. Users just paste a key, and the app validates it on startup.