https://www.w3.org/blog/wpwg/2017/09/14/payment-request-api-now-being-implemented-in-all-major-browsers-advances-on-the-recommendation-track/
https://w3c.github.io/payment-handler/
origin - http://www.pipiscrew.com/?p=9982 payment-request-api
https://www.w3.org/blog/wpwg/2017/09/14/payment-request-api-now-being-implemented-in-all-major-browsers-advances-on-the-recommendation-track/
https://w3c.github.io/payment-handler/
origin - http://www.pipiscrew.com/?p=9982 payment-request-api