The system may be configured to perform operations including receiving a transaction message based on a marker associated with the transaction message; applying a processing module to the transaction message, wherein the processing module is comprised in the processing machine; accessing processing information in the memory in order to execute the processing module; and processing the transaction message by executing the processing module on the transaction message. The transaction message may have been separated from an input file and may represent a transaction between a merchant and a consumer. The marker may represent a transaction characteristic of the transaction message.