Where do I enter a referral/bonus code? Solutions February 26, 2017 07:19 Updated Follow Bonus or referral codes can be input for extra points when you first register your CheckPoints account. Note that you cannot input a bonus code at any other time except when you first create your account. Related articles Where are my referral points? Will I lose my points or coins if I upgrade or re-install CheckPoints? How do I redeem for a prize? I did not get credit for an offer. Do points or coins expire? Comments 0 comments Article is closed for comments.