This document discusses Hubspan's integration with Punchout to enable seamless e-procurement. It provides an overview of how Punchout works by enabling a direct connection between a customer's e-procurement system and an online catalog. Key benefits of Punchout through Hubspan include making the procurement process easier and faster for customers while eliminating IT management overhead. The document then outlines the technical process flow of a sample Punchout integration between an e-procurement system, Hubspan, and a catalog site, from user login and search to order fulfillment and invoicing.