Overview#

App2app is a mechanism that allows mobile apps performing OAuth 2.0 or OpenID Connect based authentication to offer a much simpler faster flow if the user already has an Native application provided by the Authorization Server owner installed on their Mobile Device.

More Information#

There might be more information for this subject on one of the following:

• OpenID Connect Client Initiated Backchannel Authentication Flow

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• [#1] - implementing app-to-app authorisation in oauth2 openid connect - based on information obtained 2019-11-18