[1] Payment Request API ( 版) https://www.w3.org/TR/payment-request/
[2] Basic Card Payment ( 版) https://www.w3.org/TR/payment-method-basic-card/
[3] Payment Request API () https://www.w3.org/TR/2016/WD-payment-request-20161206/
[4] Payment Request API () https://www.w3.org/TR/2016/WD-payment-request-20161207/
[5] Basic Card Payment () https://www.w3.org/TR/2016/WD-payment-method-basic-card-20161207/
[6] Payment Method Identifiers () https://www.w3.org/TR/2016/WD-payment-method-id-20161207/
[7] Payment Request API () https://www.w3.org/TR/2016/WD-payment-request-20161208/
[8] Payment Request API () https://www.w3.org/TR/2016/WD-payment-request-20161209/
[9] Payment Request API () https://www.w3.org/TR/2016/WD-payment-request-20161213/
[10] Payment Request API () https://www.w3.org/TR/2016/WD-payment-request-20161214/
[11] Basic Card Payment () https://www.w3.org/TR/2016/WD-payment-method-basic-card-20161220/
[12] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170104/
[13] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170111/
[14] Basic Card Payment () https://www.w3.org/TR/2017/WD-payment-method-basic-card-20170120/
[15] Changes in the Payment Request API | Web | Google Developers () https://developers.google.com/web/updates/2017/01/payment-request-updates
[16] Payment Method Identifiers () https://www.w3.org/TR/2017/WD-payment-method-id-20170223/
[17] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170307/
[18] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170308/
[19] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170310/
[20] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170315/
[21] Basic Card Payment () https://www.w3.org/TR/2017/WD-payment-method-basic-card-20170315/
[22] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170316/
[23] Payment Method Identifiers () https://www.w3.org/TR/2017/WD-payment-method-id-20170320/
[24] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170321/
[25] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170322/
[26] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170323/
[27] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170330/
[28] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170331/
[29] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170420/
[30] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170427/
[31] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170503/
[32] Payment Method Identifiers () https://www.w3.org/TR/2017/WD-payment-method-id-20170504/
[33] Basic Card Payment () https://www.w3.org/TR/2017/WD-payment-method-basic-card-20170504/
[34] Payment Method Identifiers () https://www.w3.org/TR/2017/WD-payment-method-id-20170505/
[35] Payment Method Identifiers () https://www.w3.org/TR/2017/WD-payment-method-id-20170623/
[36] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170627/
[37] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170628/
[38] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170720/
[39] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170721/
[40] Basic Card Payment () https://www.w3.org/TR/2017/WD-payment-method-basic-card-20170721/
[41] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170724/
[42] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170725/
[43] Basic Card Payment () https://www.w3.org/TR/2017/WD-payment-method-basic-card-20170726/
[44] Payment Method Identifiers () https://www.w3.org/TR/2017/WD-payment-method-id-20170726/
[45] Basic Card Payment () https://www.w3.org/TR/2017/WD-payment-method-basic-card-20170727/
[46] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170728/
[47] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170810/
[48] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170811/
[49] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170815/
[50] Payment Method Identifiers () https://www.w3.org/TR/2017/WD-payment-method-id-20170815/
[51] Payment Method Identifiers () https://www.w3.org/TR/2017/WD-payment-method-id-20170816/
[52] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170816/
[53] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170817/
[54] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170821/
[55] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170822/
[56] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170824/
[57] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170825/
[58] Payment Method Identifiers () https://www.w3.org/TR/2017/WD-payment-method-id-20170831/
[59] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170831/
[60] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170901/
[61] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170904/
[62] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170905/
[63] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170906/
[64] Payment Method Identifiers () https://www.w3.org/TR/2017/WD-payment-method-id-20170907/
[65] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170908/
[66] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170911/
[67] Payment Request API () https://www.w3.org/TR/2017/WD-payment-request-20170913/
[68] Payment Request API () https://www.w3.org/TR/2017/CR-payment-request-20170914/
[69] Payment Method Identifiers () https://www.w3.org/TR/2017/CR-payment-method-id-20170914/
[70] Standards for Streamlined Checkout Gain Traction () https://www.w3.org/2017/09/payments-media-advisory.html
[71] Payment Request API —Now Being Implemented in All Major Browsers— Advances on the Recommendation Track | Web Payments Working Group () https://www.w3.org/blog/wpwg/2017/09/14/payment-request-api-now-being-implemented-in-all-major-browsers-advances-on-the-recommendation-track/
[72] New in Chrome 62 | Web | Google Developers () https://developers.google.com/web/updates/2017/10/nic62
[73] Payment Request API: 統合ガイド | Web | Google Developers () https://developers.google.com/web/fundamentals/payments/
[74] New WebKit Features in Safari 11.1 | WebKit () https://webkit.org/blog/8216/new-webkit-features-in-safari-11-1/
[75] New WebKit Features in Safari 11.1 | WebKit () https://webkit.org/blog/8216/new-webkit-features-in-safari-11-1/
[76] Payment Method: Basic Card () https://www.w3.org/TR/2018/WD-payment-method-basic-card-20180510/
[77] Payment Request API () https://www.w3.org/TR/2018/CR-payment-request-20180709/
[78] Payment Request API () https://www.w3.org/TR/2018/CR-payment-request-20180710/
[79] Payment Request API () https://www.w3.org/TR/2018/CR-payment-request-20180716/
[80] Payment Request API () https://www.w3.org/TR/2018/CR-payment-request-20180718/
[81] Payment Request API () https://www.w3.org/TR/2018/CR-payment-request-20180810/
[82] Payment Request API () https://www.w3.org/TR/2018/CR-payment-request-20180817/
[83] Chromium Blog: Bringing Google Pay to PaymentRequest () https://blog.chromium.org/2018/07/bringing-google-pay-to-paymentrequest.html
[84] Payment Request API () https://www.w3.org/TR/2018/CR-payment-request-20180820/
[85] Payment Request API () https://www.w3.org/TR/2018/CR-payment-request-20180827/
[86] Payment Request API () https://www.w3.org/TR/2018/CR-payment-request-20180830/
[87] Payment Request API () https://www.w3.org/TR/2018/CR-payment-request-20180820/