Free $10 Groupon Credit This post may contain affiliate links. Please see the full disclosure policy here. Posted on December 19, 2011 Written by Mary 1 Comment Groupon is offering the first 150,000 who buy a local Groupon deal a free $10 credit! The credit will appear by 12/31/11. In order to receive it, you will need to register with your current Groupon Account email. Go here to sign up with Groupon. (if you have not yet) Then,Go here to register with Groupon for the $10 Credit!