Registering Your Merchant Domains with Apple {#applepay-cfg-3b-opt-on-web-reg-merch-domains}
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Each merchant domain in your organization that will process Apple Pay transactions must be registered with Apple. IMPORTANT

> When you perform tasks at the Apple Developer portal, always refer to official Apple documentation for the most up-to-date information .

1. Follow these steps to register your merchant domains with Apple:
2. Log in to your Apple Developer merchant account as an Account Holder or Admin.
3. In the left navigation panel, select Certificates, Identifiers \& Profiles.
4. Perform these steps for each merchant domain that you registered with Apple:
   1. Click Identifiers, and select Merchant IDs in the pop-up menu on the top right.
   2. On the right, select your merchant identifier.
   3. Under Merchant Domains, click Add Domain. Enter the fully qualified name of the domain and click Save.
   4. Click Download, place the downloaded file in the specified locations, and click Verify.
5. After you add all merchant domains that will process Apple Pay transactions, click Done.