What is the transaction fee for credit card? Moiz K. Malik May 16, 2019 15:49 Updated Follow Nooklyn Pay's credit card transaction fee is 3.5% + 30¢, This applies to all credit cards, from Visa to American Express. Related articles What is the transaction fee for ACH/bank debit? What is a deposit? How do I request a refund from Nooklyn? What banks do you support for ACH/bank debit? What credit card providers do you support?