Samsung Pay is a mobile payment service available on Samsung devices that allows you to pay with your debit or credit card. You can also use Samsung Pay to pay with your Samsung Rewards card points. You can use Samsung Pay at any store that accepts Apple Pay. When you use Samsung Pay, your payment card information is stored on the device and is not shared with the merchant. You will see a receipt for your purchase within Samsung Pay. You will also earn Samsung Rewards points for every purchase with Samsung Pay.