If you recently received an Amazon gift card, you can securely redeem it on your iPhone using the Amazon app. We recommend redeeming a gift card soon after you get it to prevent fraud.

How Amazon gift cards work Whenever you receive an Amazon gift card - whether a physical card or ecard through email - it will have a unique code associated with it. When you redeem an Amazon gift ...

Amazon will not let you check the gift card balance on an unredeemed gift card; you have to either call Amazon customer service at 888-280-4331 or redeem the gift card.