Follow I want to close my competition early and not give out the prize. How do I stop participants from getting notified that they have won? April 12, 2015 22:32 InviteBox Referral Program Set-Up Questions and Answers This of course is your choice, you can turn it off on the Reward tab. Just change the setting to “DON’T SEND”. 0 Comments Please sign in to leave a comment.