---
title: merchantIdentifier
framework: applepayontheweb
role: symbol
role_heading: Instance Property
path: applepayontheweb/applepaypaymenttokencontext/merchantidentifier
---

# merchantIdentifier

The Apply Pay merchant identifier.

## Declaration

```data
required DOMString merchantIdentifier;
```

## Discussion

Discussion The merchant identifier you provide when you make an Apple Pay payment request. If you request a payment token for another merchant, use their merchant identifier, if available. Otherwise, use your own merchant identifier. For more information about merchant identifiers, see Configuring Your Environment.

## See Also

### Specifying the merchant

- [merchantName](applepayontheweb/applepaypaymenttokencontext/merchantname.md)
- [merchantDomain](applepayontheweb/applepaypaymenttokencontext/merchantdomain.md)
- [externalIdentifier](applepayontheweb/applepaypaymenttokencontext/externalidentifier.md)