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.


validationURL = merchantValidationEvent.validationURL;


A read-only USVString 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 in Payment processing concepts for more information on the merchant validation process.


Specification Status Comment
Payment Request API
The definition of 'MerchantValidationEvent.validationURL' in that specification.
Candidate Recommendation Initial definition.

Browser compatibility

Update compatibility data on GitHub
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
validationURLChrome No support NoEdge ? Firefox Full support 64
Full support 64
Notes Available only in Nightly builds.
IE No support NoOpera No support NoSafari ? WebView Android No support NoChrome Android No support NoFirefox Android Full support 64
Full support 64
Notes Available only in Nightly builds.
Opera Android No support NoSafari iOS ? Samsung Internet Android No support No


Full support Ā 
Full support
No support Ā 
No support
Compatibility unknown Ā 
Compatibility unknown
See implementation notes.
See implementation notes.

See also