主权项 |
1. A method comprising:
receiving a transaction message from a merchant through an open-loop financial transaction network, wherein the transaction message includes data elements comprising a primary account number, a transaction amount, a merchant ID, a merchant description, and a merchant category code; looking up the primary account number in a database of primary account numbers; determining whether the primary account number is associated with a virtual prepaid instrument of the merchant based on whether the database associates the primary account number with at least one of the merchant ID, the merchant description, and the merchant category code; in the event that the primary account number is associated with a virtual prepaid instrument with the merchant, determining whether the transaction amount is less than an available value amount of the virtual prepaid instrument associated with the primary account number in the database; and in the event that the transaction amount is less than an available value amount of the virtual prepaid instrument, sending a transaction authorization message response to the merchant through an open-loop financial transaction network. |