How to add bank card to my Apple Account?

This document explains how to add a payment method to your Apple Account on a Mac, Apple mobile devices, PC, or online ➔ Add a payment method to your Apple Account - Apple Support

How to add a debit or credit card on your iPhone

1. In the Wallet app, tap the Add button .

• • Tap Debit or Credit Card to add a new card.
  • Tap Previous Cards to add a card that you used previously.

1. Tap Continue.
2. Follow the steps on the screen to add a new card.
3. Verify your information with your bank or card issuer. They might ask you to provide more information or to download an app before approving your card for use with Apple Pay.
4. If you have a paired Apple Watch, you have the option to also add the card to your watch.

Eligible card issuers will also allow you to connect your account to view transaction details and account information in the Wallet app. 

Learn how to connect your account to your Apple wallet below.

View your account balance and full transaction history in the Wallet app - Apple Support