How does the 0% credit card processing fee offer work? Switch to Clio Payments today and enjoy 0% processing fees on all card transactions for your first three months. eCheck payments will be processed at a flat fee of $2 per transaction. Upon completion of the three months, card transactions will be processed at a flat rate of 2.8% per transaction. Offer available to Clio Manage subscribers in the United States currently processing transactions using the LawPay integration. Terms and conditions apply.