What method of payment does B2B Payments accept? At this time, B2B Payments accepts Visa, MasterCard, and AMEX. Please note Discover cards are not accepted. Related articles How do I sign up for B2B Payments? How can I define the Payout schedule in B2B Payments? B2B Payments Buyer's Checkout Experience Why does my customer's payment get rejected? B2B Payments Dashboard