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Smashburger — Free Birthday Shake with Purchase
SmashRewards members can receive one free shake on their birthday or within seven days, with a qualifying item in the cart at redemption. Sign in to the rewards account and present the birthday offer at purchase; participating US and Canada locations only.
Merchant
Purchase required
Yes
Credit card required
Unknown
Shipping
Unknown
Email/signup required
Yes
New customers only
Unknown
Where
Unknown
Expires
No expiration listed
Effort to claim
Unknown
Redemption requirements
SmashRewards account and qualifying item in cart at redemption; offer presented at purchase. Participating US/Canada restaurants; cannot combine with other offers.