American Express cardholders now have the option of using Membership Rewards points for payments through PayPal. If you use this option, though, you’ll be surrendering significant value with every point redeemed. As of October 2019, AmEx cardholders can use the Pay with Points feature at any online or in-app merchant that accepts PayPal as payment. When you use rewards this way, you get... Robin Saks Frankel is a writer at NerdWallet.