Procurement B2B Payments platforms streamline supplier payments through virtual card programs, early-payment discounts, and supply chain financing — supporting supplier relationship management while reducing manual payment processing overhead. Core capabilities include virtual card issuance for spend control, dynamic discounting and early-payment programs, supply chain financing and reverse factoring, payment status portals for suppliers, rebate and cashback optimization, and integration with P2P, ERP, and AP systems. The category spans procurement-focused payment platforms (Coupa Pay, SAP Ariba Payment, C2FO, Taulia) and payment networks that serve both buyer and supplier sides.