Part 2: Create an Apple Pay Payment Processing Certificate {#applepay-cfg-2-pay-proc-cert}
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Complete the tasks in this section to create an Apple Pay payment processing certificate. Apple Pay servers use this certificate to encrypt payment data. Creation of an Apple Pay payment processing certificate consists of two tasks:

* Generating a certificate signing request (CSR).
* Using the CSR to create an Apple Pay payment processing certificate.

> IMPORTANT
> When you generate a CSR, the sequence of steps you will perform depends on whether you are integrating ` Visa Acceptance Solutions ` decryption and merchant decryption.
>
> * If you are integrating ` Visa Acceptance Solutions ` decryption, you will generate a CSR at the ` Visa Acceptance Solutions ` ` Business Center `. See [Generating a CSR for Visa Acceptance Solutions Decryption](/docs/vas/en-us/apple-pay/developer/all/rest/applepay/applepay-cfg/applepay-cfg-2-pay-proc-cert/applepay-cfg-2a-pay-proc-cert-ebc-gen-csr.md "").

* If you are integrating merchant decryption, you will generate a CSR at your Apple device. See [Generating a CSR for Merchant Decryption](/docs/vas/en-us/apple-pay/developer/all/rest/applepay/applepay-cfg/applepay-cfg-2-pay-proc-cert/applepay-cfg-2b-pay-proc-cert-own-gen-csr.md "").