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# ApplePayValidateMerchantEvent

An event object that contains the validation URL.

```
interface ApplePayValidateMerchantEvent
```

## Overview

The event handler [`onvalidatemerchant`](/documentation/ApplePayontheWeb/ApplePaySession/onvalidatemerchant) receives this event object when the payment sheet is displayed.

## Topics

### Accessing the Merchant Validation Event Attributes

[`readonly attribute DOMString validationURL;`](/documentation/ApplePayontheWeb/ApplePayValidateMerchantEvent/validationURL)

The URL your server must use to validate itself and obtain a merchant session object.


---

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