What is a Punchout?

Punchout Defined

A punchout is an automated integration that lets buyers access a supplier's e-commerce catalog directly from within their own procurement or ERP system. Instead of visiting the supplier's website separately and manually entering order details, the buyer "punches out" from their platform into the supplier's site, selects products, and returns their shopping cart automatically — no re-keying, no errors.

Think of it as a seamless pass-through: the buyer never truly leaves their procurement system. They open a live connection to the supplier's site, shop normally, and when done, their cart transfers back as a structured purchase requisition ready for approval.

How Does a Punchout Work?

The punchout process follows a defined sequence using the cXML or OCI protocol:

Punchout vs. Hosted Catalog

Both punchouts and hosted catalogs enable electronic procurement, but they work differently. A punchout connects to a live supplier website with real-time pricing and inventory. A hosted catalog is a static (or periodically updated) product list uploaded into your procurement platform. Punchouts are ideal for suppliers with large, frequently changing catalogs — like Grainger, Fastenal, or Amazon Business.

Punchout Catalog Benefits for Suppliers

For suppliers, having a punchout catalog integration with a buyer's procurement system is a competitive advantage. It removes friction from the purchasing process, increases order accuracy, and makes the supplier the path of least resistance for the buyer — dramatically improving repeat purchase rates and customer retention.

Suppliers with punchout capability also gain exposure inside enterprise e-procurement systems like Ariba, Oracle, and SciQuest — markets that typically require electronic connectivity as a minimum qualification.