Power Platform API acts as a gateway or a single API surface that harmonizes the internal APIs from each feature area of the platform. This results in a single endpoint (ex. api.powerplatform.com) for customers to use along with a unified set of Permissions and claims that can be requested from Azure Active Directory.
This new gateway also automatically refreshes our new technical reference documentation so that it is always up to date with the latest capabilities. This is available here:
Please refer below link for more information –