The   Web Payments Working Group   has republished   Payment Request API   as a W3C Candidate Recommendation. This specification standardizes an API to allow merchants (i.e. web sites selling physical or digital goods) to utilize one or more payment methods with minimal integration. User agents (e.g., browsers) facilitate the payment flow between merchant and user. 

  The   Web Payments Working Group   have published Recommendations of   Payment Request API   and   Payment Method Identifiers . Payment Request standardizes an API to allow merchants (i.e., web sites selling physical or digital goods) to utilize one or more payment methods with minimal integration. Browsers facilitate the payment flow between merchant and user. Payment Method Identifiers defines payment method identifiers and how they are validated, and, where applicable, minted and formally registered with the W3C. Please see the  disposition of comments  following review by the W3C Membership.

  The  Web Payments Working Group  has published a First Public Working Draft of  Payment Request API 1.1 . This specification standardizes an API to allow merchants (i.e. web sites selling physical or digital goods) to utilize one or more payment methods with minimal integration. User agents (e.g., browsers) facilitate the payment flow between merchant and user. The 1.1 version makes some clarifications about how to process optional data to payment request, and adds the ability to pass optional data when a payment response calls  .complete() .

  The   Web Payments Working Group   has just published Proposed Recommendations of   Payment Request API   and   Payment Method Identifiers . Payment Request standardizes an API to allow merchants (i.e., web sites selling physical or digital goods) to utilize one or more payment methods with minimal integration. Browsers facilitate the payment flow between merchant and user. Payment Method Identifiers defines payment method identifiers and how they are validated, and, where applicable, minted and formally registered with the W3C.

10 July 2018 The  Web Payments Working Group  invites implementations of an updated Candidate Recommendation of  Payment Request API . This specification standardizes an API to allow merchants (i.e. web sites selling physical or digital goods) to utilize one or more payment methods with minimal integration. User agents (e.g., browsers) facilitate the payment flow between merchant and user.

2 February 2018 The  second Web Payments Working Group Patent Advisory Group (PAG) , launched in November 2017, has published a  report  recommending that W3C continue work on the Web Payments Specifications. W3C  launches a PAG  to resolve issues in the event a patent has been disclosed that may be essential, but is not available under the  W3C Royalty-Free licensing terms .

12 December 2017 The  Web Payments Working Group  has published a First Public Working Draft of  Payment Method Manifest . This specification is designed to increase the security of payment applications. It defines the machine-readable manifest file, known as a payment method manifest, that describes how a payment method participates in the Web Payments ecosystem.