Re: [webpayments] Registration: How is registration information updated? (#111)

On the surface this need for apps to communicate with the browser regularly to update the set of supported methods seems complex due to SOP restrictions etc but in practice it is not really.

When a user is updating a payment app (example: adding a new payment instrument) this is most likely going to be happening during an authenticated session between the user and the app publisher.

At this time it makes sense for the app to simply make an API call to the browser to update the set of supported payment methods. Very similar process to registration of the app.

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Reply to this email directly or view it on GitHub:
https://github.com/w3c/webpayments/issues/111#issuecomment-194243581