Abstract: Systems and methods for using integrated pay-on-demand virtual cards are disclosed. According to one embodiment, a method for using pay-on-demand virtual payment cards may include: (1) receiving, from a buyer electronic device, a selection of one or more goods or services offered by a supplier in the online marketplace and an indication that the buyer will use a pay-on-demand virtual payment card to pay for the goods or services; (2) receiving, from the buyer electronic device or a backend for a financial institution associated with the pay-on-demand virtual payment card, information for the pay-on-demand virtual payment card; (3) associating the pay-on-demand virtual payment card with the goods or services in a transaction; (4) providing the transaction to the backend for the financial institution; and (5) receiving a reconciliation file for the transaction from the backend for the financial institution.