Which type of cards are accepted? Ben Flores November 02, 2016 23:01 Updated Using your Flint app, you can accept Visa, MasterCard, American Express, JCB, Discover, and Diner's Club Cards in the U.S.A. Related articles Transaction and Monthly Fees What does EMV mean for Flint users? How can my international Clients enter a US ZIP code? Can I process cards over the phone? I cannot transact... help! Comments 0 comments Article is closed for comments.