Denny's Birthday Reward (2026)
Denny's gives a free Build Your Own Grand Slam on your birthday for Denny’s Rewards members. Here's exactly how to claim your Denny's birthday reward, when to sign up, and how long you have to use it.
Does Denny's give a birthday reward?
Yes. Denny's gives a birthday reward through its official rewards program: A free Build Your Own Grand Slam on your birthday for Denny’s Rewards members. Sign up for Denny’s Rewards in the app or online and add your date of birth. The birthday reward loads to your account for your birthday. It arrives during your birthday window — joining is free and no purchase is required.
What you get
A free Build Your Own Grand Slam on your birthday for Denny’s Rewards members.
RestaurantsOfficial program
Denny's Rewards — official programBirthday Hunter is not affiliated with Denny's. Always confirm offer details on the brand's official site.
How to claim your Denny's birthday reward
- Sign up for Denny’s Rewards in the app or online and add your date of birth. The birthday reward loads to your account for your birthday.
- Add your date of birth to your account so you qualify for the birthday reward.
- During your birthday window, redeem a free Build Your Own Grand Slam on your birthday for Denny’s Rewards members.
Signup deadline & redemption window
Most rewards programs need your birthday on file before your birthday month starts, so join at least a week — ideally 30 days — ahead. Some programs exclude members who sign up during their birthday month itself.
Dine-in with a valid ID at participating locations; typically redeemable on your birthday or within your birthday window per the reward terms.
Pay Less at Denny's
Buy a discounted Denny's gift card before you shop — rotating promo codes, rewards on every purchase, and members earn B-Day Bucks back.
Never miss a birthday freebie
Track your Denny's reward and hundreds of other birthday offers in one free app.
Save this rewardFrequently Asked Questions
Does Denny's give a birthday reward?
Yes. Denny's offers a birthday reward to members of its rewards program: A free Build Your Own Grand Slam on your birthday for Denny’s Rewards members. Add your date of birth to your account to qualify.
How do I get the Denny's birthday reward?
Sign up for Denny’s Rewards in the app or online and add your date of birth. The birthday reward loads to your account for your birthday. Dine-in with a valid ID at participating locations; typically redeemable on your birthday or within your birthday window per the reward terms.
Is the Denny's birthday reward free?
Yes — joining Denny's's rewards program is free and the birthday reward is a complimentary member perk. Track it and every other birthday freebie in one place with the free Birthday Hunter app.
When should I sign up to get the Denny's birthday reward?
Join at least a week — ideally 30 days — before your birthday month, and make sure your date of birth is on your Denny's account. Some programs exclude members who sign up during their birthday month itself.