MerchantValidationEvent: validationURL property

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.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The MerchantValidationEvent property validationURL is a read-only string value providing the URL from which to fetch the payment handler-specific data needed to validate the merchant.

This data should be passed into the complete() method to let the user agent complete the transaction.


A read-only string giving the URL from which to load payment handler specific data needed to complete the merchant verification process. Once this has been loaded, it should be passed into complete(), either directly or using a promise.

See Merchant validation to learn more about the process.

Browser compatibility

BCD tables only load in the browser

See also