Dunkin Donut Deal Today May 15th DD Perks members (Free to join) can get a FREE Donut with ANY beverage purchase at Dunkin’! Note that this offer excludes espresso shots. You can pay with a card that is enrolled with DD Perks, scan your loyalty ID at checkout, or order ahead on the Dunkin’ app for carry-out, drive-thru, or curbside pickup where available.