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

The MerchantValidationEvent() constructor creates a new MerchantValidationEvent object. You should not have to create these events yourself; instead, just handle the merchantvalidation event.


merchantValidationEvent = new MerchantValidationEvent(type, options);


A DOMString which must be merchantvalidation, the only type of event which uses the MerchantValidationEvent interface.
options Optional

An optional dictionary which may contain zero or more of the following properties:

methodName Optional
A DOMString containing the payment method identifier for the payment handler being used. This is an empty string by default.
validationURL Optional
The URL from which to retrieve payment handler specific verification information used to validate the merchant. This is an empty string by default.

Return value

A newly-created MerchantValidationEvent providing the information that needs to be delivered to the client-side code to present to the user agent by calling complete().


The string specified as validationURL could not be parsed as a URL.
The specified methodName does not correspond to a known and supported merchant or is not a well-formed standard payment method identifier.


Specification Status Comment
Payment Request API
The definition of 'MerchantValidationEvent()' 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
MerchantValidationEvent() constructorChrome 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