A

App Store Connect API

REST discovered

Details
URL
https://api.appstoreconnect.apple.com/
Docs
https://developer.apple.com/documentation/appstoreconnectapi
Authentication
App Store Connect API key + issuer ID used to sign JWT bearer tokens compound discovered Get key ↗

In App Store Connect API get started and Creating API Keys for App Store Connect API, Apple directs you to create an App Store Connect API key in App Store Connect, download the private key file, and use the key ID plus your issuer ID to sign a JWT for API requests. The resulting JWT is sent as Authorization: Bearer ....