What is a punchout catalogue—and how does it improve procurement?

A punchout catalogue gives business buyers access to a supplier's live ecommerce experience from inside their organisation's procurement system. It combines an easy shopping journey with the approvals, budgets and audit trail the buyer already uses.

How does punchout work?

The buyer starts in an eProcurement platform such as SAP Ariba, Coupa or another purchasing system. Selecting a supplier launches a secure session on that supplier's catalogue. The buyer sees the products, contract pricing, availability and configuration options relevant to their account.

When shopping is complete, the cart is returned to the procurement platform as a requisition. It moves through the buyer's normal approval process. Once approved, a purchase order can be sent to the supplier electronically.

Why use a punchout catalogue?

Accurate products and pricing

Static hosted catalogues can become outdated whenever a product, description or price changes. Punchout presents information from the supplier's live environment, reducing duplicated catalogue maintenance.

A familiar buying experience

Buyers can use search, filters, product comparisons and configuration tools provided by the supplier. They get the convenience of modern ecommerce without purchasing outside approved processes.

Stronger procurement compliance

The returned cart becomes a requisition rather than an uncontrolled transaction. Cost centres, budgets, approvals and purchasing policies can still be applied before an order is placed.

Less manual handling

Product codes, quantities, pricing and other line details move between systems. This reduces rekeying and the errors that often follow it.

What information is exchanged?

A typical integration exchanges session credentials, buyer identity and the cart contents. Depending on the platforms and business requirements, it may use cXML, OCI or another agreed format. The purchase order and later documents—such as acknowledgements, shipping notices or invoices—can also be automated through EDI or related B2B integration.

Is punchout only for large suppliers?

No. The value depends more on customer requirements and transaction patterns than company size. A supplier may need to serve several procurement platforms, each with different technical and onboarding requirements. A managed integration layer can reduce the need to build and maintain separate connections.

Questions to ask before implementation

• Which buyer procurement platforms must be supported?
• Are prices and assortments customer-specific?
• Does the catalogue include configurable or restricted products?
• Which cart fields are mandatory for the buyer?
• How will purchase orders, acknowledgements and invoices be exchanged?
• Who owns testing and support after launch?