The payment policy controls whether the current document is allowed to use the PaymentRequest interface.
If disallowed in a document, then calls to the
constuctor MUST throw a
How to apply this policy
Send the following HTTP header to control the
payment policy, and disallow
it on all origins:
Feature-Policy: payment 'none'
Does it work?
Currently Firefox, and Chromium based browsers, such as Google Chrome, Samsung Internet,
and Opera, are the only user-agents to support Feature Policy. The minimum version that
correctly recognises the
payment policy is: