Create a Payment Processing Certificate

Create a Payment Processing Certificate, and associate it with your Merchant ID to encrypt payment information.

  1. Log in to your Apple Developer account at
  2. Click Certificates, Identifiers & Profiles.
    The page loads and presents a menu.
  3. Click Merchant IDs.
  4. Select your merchant identifier and click Edit.
  5. In the Payment Processing Certificates section, click Create Certificate.
  6. Select No to Will payments associated with this Merchant ID be processed exclusively in China? and click Continue.
  7. Click Continue.
  8. Upload the CSR file, provided to you by Adyen, and press Continue.
  9. Click Download to download the .cer file and press Done.
  10. Email and include the .cer file.