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Sonic gives you Free Small Shake or Side for your birthday — with a qualifying purchase. To get it, sign up for the rewards program in the app before your birthday. The reward is valid during the exact dates shown by the brand.
4 steps, about a minute total.
Important
Use the brand app to join, then check its birthday eligibility terms
Do this before your birthday
Open signupA qualifying purchase is listed as required for redemption
Listed timing: Birthday
Follow the offer instructions at a participating location
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Yes. Sonic offers free Small Shake or Side as a birthday reward, though it requires a qualifying purchase to redeem. Sign up for the rewards program through the app to receive it.
Sonic's birthday reward is free Small Shake or Side. Check Sonic's official reward details for the exact redemption dates.
To get the Sonic birthday reward, join Sonic's rewards program (via the app) before your birthday. Once you're a member, the reward becomes available during the exact dates shown by the brand and you redeem it at any participating Sonic location.
Sonic's birthday reward (Free Small Shake or Side) requires a qualifying purchase to redeem, so it is not a standalone free item.
Yes. Sonic requires you to join the rewards program (via the app) before your birthday so the reward is loaded into your account in time. Sign up before your birthday to be safe.
At a participating Sonic location using the reward email or app instructions.
Once you're a Sonic rewards member, check the app for delivery and the exact dates. Sign up before your birthday so it lands in time.
Check Sonic's official reward details, email, or app for the exact validity dates and restrictions.
Yes. Sonic's birthday reward unlocks alongside a qualifying purchase rather than as a standalone freebie. Check the rules above for the specific purchase requirement.
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