48-Hour Call for Consensus (CfC): Web Payments API Review

Colleagues:

This is a Call for Consensus (CfC) to the Accessible Platform
Architectures (APA) Working Group on our review of three Web Payments
API specifications.

*	Background Information

APA's review of the following three API specifications relating to
payment transactions via the web was requested by the Web Payments
Working Group at:

http://lists.w3.org/Archives/Public/public-apa/2016Apr/0050.html

1.)	Payment Request API
	http://www.w3.org/TR/payment-request/
	This specification describes a web API to allow merchants (i.e.,
	web sites selling physical or digital goods) to easily accept
	payments from different payment methods with minimal
	integration.  User agents (e.g. browsers) will facilitate the
	payment flow between merchant and user.
2.)	Payment Method Identifiers
	http://www.w3.org/TR/payment-method-id/
	This document defines payment method identifier strings so that
	components in the payment ecosystem can determine which parties
	support which payment methods.
3.)	Basic Card Payment
	http://www.w3.org/TR/payment-method-basic-card/ This specification
	describes the data formats used by the Payment Request API to
	support payment by payment cards such as credit or debit cards.

Review of these three specifications was referred to APA's Web Payments
Subteam, whose deliberations on these specifications are available in
recent teleconference minutes and publically archived email threads:

1.) Subteam Minutes
https://www.w3.org/2016/08/04-apa-minutes.html
https://www.w3.org/2016/08/18-apa-minutes.html

2.) Email Threads
http://lists.w3.org/Archives/Public/public-apa/2016Aug/0015.html
http://lists.w3.org/Archives/Public/public-apa/2016Aug/0067.html

*	Proposed Comment

The Accessible Platform Architectures (APA) Working Group has found no
specific problem in these three API specifications themselves. However,
we do request addition of the following section to each specification:

Accessibility Impact Statement

This specification has no defined user interface. In addition, there are
no specific accessibility requirements on implementations. However, to
the extent that an implementation provides user interactions in support
of this specification, the implementation must ensure that the interface
for those interactions is exposed to the platform accessibility API.
Moreover, implementors should take into consideration the needs of their
users with varying abilities when designing solutions that implement
this specification. As an example, the use of biometric authentication
techniques should provide for enough variation to allow for people with
widely differing physical abilities. See the W3C Accessibility
Guidelines documents for more information.

*	ACTION TO TAKE

This CfC is now open for objection, comment, as well as statements of
support via email. Silence will be interpreted as support, though
messages of support are certainly welcome.

If you object to this proposed action, or have comments concerning this
proposal, please respond by replying on list to this message no later
than 23:59 (Midnight) Boston Time, Tuesday 26 August.

Janina

-- 

Janina Sajka,	Phone:	+1.443.300.2200
			sip:janina@asterisk.rednote.net
		Email:	janina@rednote.net

Linux Foundation Fellow
Executive Chair, Accessibility Workgroup:	http://a11y.org

The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI)
Chair, Accessible Platform Architectures	http://www.w3.org/wai/apa

Received on Friday, 19 August 2016 13:48:30 UTC