Creating a Payment Processing Certificate for Your Merchant ID {#applepay-cfg-2c-pay-proc-apple-cre-cert}
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Using the certificate signing request that you just created, you will create an Apple payment processing certificate and associate the certificate with your Apple merchant ID that you created before that. Those earlier tasks are described in these topics:

* [Registering a New Merchant ID in Your Apple Developer Account](/docs/bofa/en-us/apple-pay/developer/gpx/rest/applepay/applepay-cfg/applepay-cfg-1-dev-pgm/applepay-cfg-1c-dev-pgm-merch-id-create.md "")
* [Creating a Payment Processing Certificate for Your Merchant ID](/docs/bofa/en-us/apple-pay/developer/gpx/rest/applepay/applepay-cfg/applepay-cfg-2-pay-proc-cert/applepay-cfg-2c-pay-proc-cert-apple-cre-cert.md "")  
  Apple Pay uses the payment processing certificate to encrypt the customer's payment information. This certificate expires every 25 months. If the certificate expires or is revoked, you can recreate it.

> 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 create a payment processing certificate for your Apple Pay merchant ID:

2. Sign in to your Apple Developer account as the Account Holder or as an Admin and select **Certificates, Identifiers \& Profiles**.

3. Upload the CSR file and associate the CSR with your merchant ID.

   #### ADDITIONAL INFORMATION

   The CSR contains your Apple merchant ID and a public key that Apple Pay uses to encrypt sensitive payment data.

   1. Click Identifiers in the sidebar.

   2. Select Merchant IDs using the filter on the top right.

   3. On the right, select your merchant ID.

      #### Step Result

      If a banner at the top of the page prompts you, you need to accept an agreement. Click Review Agreement and follow the instructions that appear.

   4. Under Apple Pay Payment Processing Certificate, click Create Certificate.

4. Create a payment processing certificate and download the certificate to your local machine.

   1. Click Choose File and select the CSR file that you uploaded.

      #### ADDITIONAL INFORMATION

      The CSR file has the filename extension *.certSigningRequest*.

   2. Click Choose.

   3. Click Continue.

   4. Click Download.

      #### Step Result

      The payment processing certificate (a file with the filename extension *.cert*) appears in your Downloads folder.

5. Go to the next task.

   * If you offer your customers Apple Pay in a web page, go to [Part 3: Perform Additional Setup for Apple Pay on the Web](/docs/bofa/en-us/apple-pay/developer/gpx/rest/applepay/applepay-cfg/applepay-cfg-3-opt-on-web.md "").

* Otherwise, proceed to [Validating Your Test Integration](/docs/bofa/en-us/apple-pay/developer/gpx/rest/applepay/applepay-cfg/applepay-cfg-4-validate-on-test.md "").