a. You can choose your preferred payment method including the option to link most credit/debit cards or your US-based checking account with S Pay. Simply follow the steps outlined in the app to link to your preferred payment method and you are on your way to Pay & Save at Shell! You can also use an e-Gift Card as a form of payment which is stored in your payment methods menu tab along with other forms of payment. eGift-Cards can be shared with family and friends through the app and can be used at the pump and inside the convenient store.