1. To add your Interac debit card on a supported iPhone, go to “Settings,” open “Wallet & Apple Pay,” and select “Add Credit or Debit Card.” On a supported iPhone, you can also open the Wallet app and select “Add Credit or Debit Card” or select the (+) sign in the upper right hand corner.
2.To add your Interac debit card on Apple Watch, you must first pair your Watch with a supported iPhone running on iOS 9.2 or later using the Apple Watch app. Once paired, open the Apple Watch app on your iPhone, select "Wallet & Apple Pay" and then tap "Add Credit or Debit Card."
Please note that the iPhone 5, 5c and 5s only enable payments for the Apple Watch. Payments cannot be made with the iPhone 5, 5c or 5s alone. When adding your Interac debit card, you can choose to add the card manually entering your Card information or taking a picture of your card.