Dunkin’ offers one million free coffees during holiday slump – Here’s how to get yours today

Dunkin’ is celebrating the “least productive week of the year” by providing one million free hot or iced coffees to Dunkin’ Rewards members. The campaign, dubbed “produnktivity,” focuses on energizing customers during the holiday season. To claim the offer, members must enter the code PRODUNKTIVITY in the Dunkin’ app on December 29, 2025, until the million coffees are distributed.