System and method for a second credit card issuer to provide transactional credit to a credit cardholder of a first credit card issuer, when the cardholder's account with the first issuer is in good standing and has an available credit balance equal to, or greater than, a proposed financial transaction with a merchant who does not accept the credit card of the first issuer, but does accept the credit card of the second issuer. The second issuer may charge a convenience fee to the customer, merchant, first credit card issuer, or any combination of them, for providing the transactional credit. Additionally, the second issuer may provide transactional credit to a customer to complete a financial transaction, via a reactivated credit card account of the second issuer, when the customer has a closed credit card account of the second credit card issuer that was closed in good standing.