How do I add my credit or debit card to Apple Pay?
For an iPhone, open the Wallet app then click on the plus sign (upper right hand corner) or “Add Credit or Debit Card.” Next, enter your Apple ID password and click OK. Then use your camera to capture your card information. You can also manually type in your card number.
To set up an iPad, go to Settings, then Wallet and Apple Pay. Tap Add Credit or Debit Card and follow the same steps above for the iPhone.
To set up an Apple Watch open the Apple Watch App on your iPhone, select Wallet & Apple Pay and tap on “Add Credit or Debit Card then follow the same steps above for an iPhone.