Get two additional Membership Rewards® points per dollar spent after you checkout online using Amex Express Checkout with a Membership Rewards-enrolled American Express® Card at Walmart.com until 8/30/2018. Max. 2,500 additional points. Terms apply.
To use Amex Express Checkout on Walmart.com, under the "Enter Payment Method" section click the "+ More" button. Select Amex Express Checkout and follow the checkout process.
Click here for more information on Amex Express Checkout.