Invalid Credit Card by |Published July 7, 2020 Amazon Seller Support – Questions › Invalid Credit Card 0 Vote Up Vote Down Derecus Glass asked 3 years ago Want to know why my credit card is invalid. I\’ve used this card every since I\’ve had this account, I\’ve tried to replace it and enter it again to no avail. Please help, this seems to be a recurring problem, it\’s very frustrating