There is growing competition among companies that offer accounts receivable and/or accounts payable (AR/AP) automation software to optimize treasury management efficiencies and reduce costs for businesses of all sizes. These companies see a massive opportunity to displace paper check payments with digital payment instruments including virtual cards. Mastercard is one of the companies that has its eye on the business-to-business (B2B) payment market. While companies including SAP, Ariba, and Concur offer closed-loop procure-to-pay systems that provide connections between a select number of b...