Citi Commercial Cards has integrated with the accounts payable (AP) automation platform of Corporate Spending Innovations (CSI) to support payments buyers make to their suppliers, including with virtual Visa and Mastercard cards. The partnership will focus initially on digital media and advertising companies, a vertical in which CSI has significant connections to suppliers. Other verticals will follow, as will rollout to Canada and Europe. Commercial credit card products from Citi include corporate (travel & entertainment) and purchasing/fleet. Citi is the largest U.S. corporate card is...