AMERICAN EXPRESS PROCESSING PREPAID CARDS. Prepaid Cards are available for a variety of uses: gifting, travel, incentive, etc. All American Express prepaid Cards show the American Express “Blue Box” logo either on the face or back of the prepaid Card. Prepaid Cards may or may not be embossed. Most prepaid Cards can be used for both in-store and online purchases. Prepaid Cards are valid through the date on the Card. Simply swipe the Card at the point of sale just like any other Card. A prepaid Card must be tendered for an amount that is no greater than the funds available on the Card. • Instruct Cardholders that, before making a purchase, they must check their remaining funds by calling the twenty-four