Set up Apple Pay to make secure payments in apps and on websites that support sign in to your Apple Account.
Add any of the following types of cards:
A new card: Tap Debit or Credit Card, tap Continue, then position your card so that it appears in the frame, or enter the card details manually.
Apple Card: See > Wallet & Apple Pay, tap Default Card, then choose a card.
Go to Settings Use Apple Cash on iPadAdd or update the payment method associated with your Apple Account