‘ To add cards, keys, tickets, and passes to Wallet, look for the Add to Wallet button in apps, emails, and websites.’

Hello hande65,

The best steps to take for setting up Apple Pay can be found in the Relevant Article above. If the issue persists despite following this guidance follow the remaining steps here: If you can't add a card to Apple Wallet to use with Apple Pay - Apple Support

"If you can't add a card to Apple Wallet to use with Apple Pay



Learn what steps to take if you can't add a card to the Wallet app to use with Apple Pay.

1.Check that you're able to use Apple Pay:

• Contact your card issuer to see if they support Apple Pay.
• Update to the latest version of iOS or iPadOS, watchOS, or macOS.
• Make sure that you are in a supported country or region.
• Check that your device is compatible with Apple Pay.

2.Check for services outages or connection issues.

3.If you see the message "Could Not Add Card" or "Invalid Card," contact your bank or card issuer."

Cheers.