If you have an American Express card, and if the card has Hilton, Marriott, or Delta on it, you may get monthly credit toward restaurants. Eligible cards include: American Express / Delta Blue, Delta Gold, Delta Reserve, and Delta Platinum cards American Express / Hilton Honors cards American Express / Marriott Bonvoy Brilliant cards Log-in to the American Express website (not mobile app), view available offers, and "Enroll" in an offer "Spend $xx or more at U.S. restaurants, earn $xx back once a month, through 2021." (where xx will be $5, $10, $15, or $20). Amount varies.
After your card is enrolled, use your card at a restaurant and get a statement credit. Repeat each month, through the end of 2021.
This should work on any purchase made in-person at a restaurant for food, drinks, merchandise, and gift cards. It should also work with a restaurant's own website and app. Adding funds through the Starbucks and Donkin Donuts apps should qualify.
Ordering through a third-party app, such as Uber Eats and DoorDash, may not work since the purchase is not made at the restaurant.
This promotion is not available on regular American Express cards (Blue, Blue Cash, Cash Magnet, EveryDay, Green, Gold, and Platinum).