Amazon Prime members can get a FREE $3 Amazon credit for use on Prime Day when they sign up for a Free MyPanera Rewards through this link for a limited time. Prime Day is slated for June 21 to 22nd and will offer a ton of deals exclusively for Prime members on Amazon. If you are not a Prime member, Amazon is offers a 30-day Free trial. The $3 Amazon credit will be provided in the email from Panera after signing up. 

MyPanera Rewards offers personalized deals to items in their store. As a member you will get 40% off any online order on June 21 or 22nd and all new members get a Free treat reward in their account.