What is Apple private API?

Private APIs provide a way of accessing parameters or functions that aren’t documented in a publicly released software development kit (SDK) or a related project. Developers working for Apple can use its private APIs as needed, but the company’s App Store rules disallow third-party developers from doing the same.

The apps you love. And a big part of those experiences is ensuring that the apps we offer are held to the highest standards for privacy, security, and content. Because we offer nearly two million apps — and we want you to feel good about using every single one of them.

Number of developers per app store worldwide 2017 As of the measured period, there were over 724,000 app developers who had released an app through Google Play. The iOS App Store ranked second with 494,000 active app developers .

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.