Web Payments - Payment Request API FPWD

Overview

• Payment Request API
• First Public Working Drafts
• Next Specs
• Privacy Considerations

Feedback by mid-July particularly welcome!

First Public Working Drafts

• Payment Request API: This specification describes a web API to allow merchants to easily accept payments from different payment methods.
• Payment Method Identifiers: This document defines payment method identifier strings so that components can determine which parties support which payment methods.
• Basic Card Payment: This specification describes the data formats used by the Payment Request API to support payment by payment cards such as credit or debit cards.

Next Specs

• Payment Application registration, communication
• Payment Method Specifications (e.g., SEPA, Alipay, etc.)
• HTTP API

Privacy Considerations

To kick off discussion:

• Keeping payment credentials client-side has potential to improve privacy.
• Merchant cannot query user about installed apps
  • But merchant may want to know if user has installed merchant app
• Merchant order v. user preferences
  • Merchant may be in agreements that specify order