What are the fees associated with Cartwheel Register? Our credit card transaction fee is 2.6% + 24 cents per transaction. This applies to all card types. Other than the transaction fee, there are no fees associated with using Cartwheel Register! Have more questions? Submit a request 2 Comments Date Votes 0 Greg March 29, 2017 10:01 Are the credit card transaction fee of 2.6% + 24 cents per transaction credited back as part of a refund transaction? 0 Support March 29, 2017 14:19 The transaction fee charged at the original authorization (sale) are not refunded in the event of a return. Please sign in to leave a comment.