The disclosed embodiments include computer-implemented systems and processes that provision targeted alternative product information based on structured messaging data. For example, an apparatus may receive a message that characterizes a real-time payment requested by a first counterparty from a second counterparty, and is associated with a first product provisioned to the second counterparty by the first counterparty. The apparatus may determine that a second product is available to the second counterparty based on the message. Further, the apparatus may transmit notification data to a device operable by the second counterparty. The notification data includes product data characterizing the second product, and causes an application program executed at the device to present at least a portion of the product data within a digital interface. The apparatus also receives a response to the notification data from the device and, based on the response, provisions the second product to the second counterparty.