Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
MerchantValidationEvent interface of the Payment Request API enables a merchant to verify themselves as allowed to use a particular payment handler.
Learn more about merchant validation.
MerchantValidationEvent.methodNameSecure context Deprecated
A string providing a unique payment method identifier for the payment handler that's requiring validation. This may be either one of the standard payment method identifier strings or a URL that both identifies and handles requests for the payment handler, such as
MerchantValidationEvent.validationURLSecure context Deprecated
A string specifying a URL from which the site or app can fetch payment handler specific validation information. Once this data is retrieved, the data (or a promise resolving to the validation data) should be passed into
complete()to validate that the payment request is coming from an authorized merchant.
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