If your payment processing certificate has expired, you must upload a valid certificate to continue processing Apple Pay: eCommerce online transactions.
Complete the following steps:
1. From your username drop-down menu, select Payment Processing Certificates.
2. On the side menu, click Add Certificates.
3. To upload the certificate, click Browse and then select a certificate.
4. Optionally, enter a password associated with the certificate if you created one when creating the Apple Pay certificate.
5. Search for, or select, the merchant location the certificate is to be used for.
6. Click Add Certificate.
Related article:
How do I add a payment processing certificate to a merchant location?
Let us know if this answered your question. If not, please let us know why!
Tags: certificate, payment processing certificate, payment processing, apple pay, merchant location, managing payment processing certificate