The present invention relates to a cashless transaction processing system and method for locally authorizing cashless payment transactions at a payment module. Locally authorizing transactions can include utilizing locally stored databases and other authorization criteria or rules to validate or approve a plurality of payment identification data presented by a user, wherein the plurality of payment identification data presented by the user is intended to be utilized to effectuate payment for vended goods and services.In addition, the cashless transaction payment module system is scalable and configurable to include interfaces for vending equipment monitoring and control capabilities, interfaces for a card reader device and other payment interfaces, an interactive interface and protocol for interconnecting the system to a computing platform, and support for a plurality of communication options that include wired, point-to-point wireless, and wireless networking including LAN/WAN/WCDMA/CDMA/CDPD/2G/2.5G/3G solutions.