Embedded Authorization Flow Offline Payment

In some situations, the Payer in a shop does not have access to an internet connection. Allowing a payer to provide the authorization of initiating a payment to the merchant at the point of sale shall be considered by GNAP.

Such an interaction at the point of sale can be achieve using any type of near field communication mean.

Essential for the use case is that the consent of the payer is transported by the client to the AS.

This is not a decoupled authorization flow as the payer (user) has no direct interaction with the AS.