Small and midsized businesses in the U.S. with eligible American Express Business Cards can create their own virtual cards tied to their existing card accounts to pay for goods and services. The virtual card feature is delivered through a partnership between Amex and Extend Enterprises. Cardholders download the Extend app from the Apple or Android stores to begin the process of registering for a virtual card. American Express handles authentication, token creation, authorizations and settlement. The Extend app reaches the Amex token vault to get a token for each transaction. Payments ...