What is an API key on app?

An API key or application programming interface key is a code that gets passed in by computer applications . The program or application then calls the API or application programming interface to identify its user, developer or calling program to a website.

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What is Apple API?

Overview. The Sign in with Apple REST API is a web service that connects you to Apple’s authentication servers . Use this service to generate and validate the identity tokens used to verify a user’s identity. To sign in from a web app or other platform, like Android, use Sign in with Apple JS.

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