I have problem adding my debit card in wallet
I can not add purchase method iny icloud setting nor i can add debit cards to my apple wallet app
iPhone 12, iOS 16
Please check this link. It offers good troubleshooting tips to try when you cannot add a credit/debit card:
If you can't add a card to Apple Wallet to use with Apple Pay - Apple Support
Keep in mind that Apple does not approve or decline cards for use with Apple Pay. If your card was declined, contact your bank or card issuer.