Payment Handler API

[nika-begiashvili]

https://www.w3.org/TR/payment-handler/

[awebdeveloper]

• https://developers.google.com/web/updates/2018/06/payment-handler-api

• https://medium.com/coil/standardizing-payments-with-the-payment-handler-api-1bb8cefa702d

• https://news.softpedia.com/news/google-chrome-68-enters-beta-with-new-add-to-home-screen-behavior-for-pwas-521475.shtml

• https://www.chromestatus.com/feature/5160285237149696

• https://platform-status.mozilla.org/#web-payment-app

[awebdeveloper]

Its shipped in chrome 68

[dmengelt]

Would be great to add support for the Payment Handler API