Abstract: Systems and methods for out-of-band, time-based matching for applying issuer benefits to a transaction are disclosed. In one embodiment, in an issuer authorization platform comprising at least one computer processor, a method for out-of-band, time-based matching for applying issuer benefits to a transaction may include: (1) receiving, from a computer application executed by an electronic device and over a communication network, a payment option to apply to a transaction conducted with a merchant; (2) receiving, from a payment network, an authorization request for the transaction from the merchant; (3) matching the payment option to the authorization request when the payment option and the authorization request are received within a predetermined time of each other; and (4) applying the payment option to the transaction.