You can text PERKS to 386546 and reply back with your email address to score a coupon valid for FREE medium beverage of your choice at Dunkin Donuts! If you don’t want to text you can also sign up for Dunkin’ Donuts Perks Rewards and receive a select medium beverage for free.
Once you receive the email, you will need to create a profile and provide your mailing address and birth date. Then, they’ll mail you a coupon for a free medium beverage of your choice (and one on your birthday!).