Punchout catalog basics: How it works for guided buying

Your buyers want the speed and simplicity of online shopping. Your finance team wants controls. Getting both used to mean compromise.
 

A punchout catalog connects your e-procurement system directly to supplier sites. Employees shop the way they’re used to, and every purchase still flows through your approval workflows and spend management tools. The buying experience improves. Governance doesn’t erode.
 

If you’re evaluating punchout catalogs for the first time or scaling an existing program, the questions are the same: How does this fit your current procurement software and workflows? What does implementation actually require? And how do you keep controls intact as you add supplier connections?
 

What follows is a framework for answering those questions, covering how punchout catalogs work and how to build a program that holds up as you grow.
 

What is a punchout catalog?

A punchout catalog creates a session-based connection between your e-procurement system and a supplier’s website. Buyers start in your procurement tool, punch out to the supplier site to browse and build a shopping cart, then return to your system where the order enters your standard approval and ordering process. Your policies stay in control throughout.
 

That’s the core difference from a hosted catalog, where product data lives inside your procurement platform. With punchout catalogs, content stays on the supplier’s side, which means current pricing, real-time availability, and up-to-date product information without the work of maintaining catalog files
 

Integrating a punchout catalog with Amazon Business connects your purchasing environment directly to our online store. Buyers get the full Amazon Business experience to search, compare, and build carts. Your procurement platform controls who can buy, what requires approval, and which budgets apply.
 

That balance is guided buying in practice: preferred suppliers and spending guardrails, without stripping out the shopping experience your buyers already know.
 

Punchout catalog workflow

The punchout catalog workflow follows a clear path from request to order, working within your existing procurement process rather than replacing it. Here's how a typical transaction moves through the system:
 

• Launch: A buyer signs in to your e-procurement system and selects a supplier with a punchout catalog. The system authenticates the user and passes relevant information (user ID, cost center, spending limits) to the supplier site.

• Shop: The buyer lands on the supplier’s website in a secure session, browses products using the supplier’s standard ecommerce platform experience, and adds items to their cart just as they would on any ecommerce website.

• Return cart: When shopping is complete, the buyer sends the cart back to your e-procurement system. Cart data, including products, quantities, prices, and other attributes, transfers automatically, eliminating manual data entry and errors.

• Approve: The returned cart becomes a requisition in your procurement system and enters your normal approval workflow. Rules based on spend thresholds, account codes, or category policies determine the approval path.

• Order: Once approved, your system issues a purchase order to the supplier through XML or commerce extensible markup language (cXML). The supplier fulfills the order, and your procurement system records the transaction for reporting and analysis.
   

Punchout catalog vs. hosted catalog vs. API/EDI integration

Punchout catalogs, hosted catalogs, and API/EDI integrations each serve distinct purposes, and many organizations deploy a combination based on specific use cases.
 

A punchout catalog maintains the shopping experience on the supplier's site while routing approvals and orders through your e-procurement system. This approach works particularly well when you need:
 

• Broad selection and discovery across multiple products or categories

• Current pricing and availability without manual catalog maintenance

• Centralized approvals, budget controls, and reporting within your existing tools
   

The strength of punchout is functionality. Buyers access complete supplier catalogs while your governance structure remains fully intact.
 

A hosted catalog brings supplier product data directly into your e-procurement system. Buyers remain within your platform, searching and requesting items from an internal catalog housed in your procurement tool.
 

• Suppliers provide catalog files on a defined schedule containing SKUs, descriptions, and pricing.

• Updates occur based on file delivery and processing frequency.
   

This approach works well for stable product assortments and negotiated price lists where you require strict control over buyer visibility. The tradeoff is increased catalog maintenance and greater risk of outdated pricing or availability between file updates.

API and EDI integrations prioritize system-to-system automation over the shopping experience. Buyers create requisitions in your procurement tool, and approved orders transmit directly to suppliers using standard data formats.

• Best suited for repetitive, high-volume orders of known items

• Eliminates manual entry and rekeying across procurement and accounts payable

• Enables stronger automation for order confirmations, shipment notices, and invoicing

Many organizations combine API/EDI with punchout catalogs—using punchout for discovery and sourcing new items, then routing repeatable orders through API or EDI for maximum efficiency. E-procurement solutions that support both give you the flexibility to optimize each workflow independently.
 

Why use a punchout catalog?

A punchout catalog balances buyer autonomy with the control, compliance, and visibility you need. Instead of forcing end users into rigid internal catalogs or manual request forms, you give them direct access to supplier sites while your purchasing rules continue to apply.
 

This works well when you're managing large or frequently changing product assortments. Rather than continuously updating item files, you rely on the supplier's catalog to stay current and use your e-procurement system to govern how and when you approve purchases.
 

Built-in policy compliance

Buyers access the supplier site only after launching from your e-procurement system, so they’re already operating within your defined purchasing paths. Preferred vendors, spending limits, account codes, and required approvers are all in place before shopping begins.
 

Because cart details route back through your existing workflows, accounts payable and finance get the data they need without chasing it down. Spend management improves not by restricting access, but by making the compliant path the easiest one to take.
 

Higher adoption through familiar shopping

Adoption stalls when buyers feel that procurement teams slow them down. Punchout catalogs address this by preserving a familiar user experience—your team can search full catalogs, review ratings, filter by attributes, and check real-time availability.
 

This familiarity means less training, fewer support requests, and smoother rollouts. As more spend flows through your guided channels, you gain stronger leverage to negotiate with supply chain partners, monitor compliance, and standardize on preferred products.
 

How to scale a punchout catalog program

Scaling punchout means more than adding suppliers. The programs that hold up over time share a common structure: clear governance, solid technical setup, and a feedback loop that improves the program based on how people actually use it. The right punchout catalog solutions support all three.
 

1. Define requirements and governance framework

Start by bringing together stakeholders from procurement, IT, finance, and key user groups. Document which suppliers are candidates for punchout, the spend categories they cover, and what approval paths apply.
 

Clarify who owns supplier relationships and who has authority to request new integrations. Procurement teams that define this governance early avoid most of the integration problems that come up later.
 

Define the data you need to capture from punchout transactions (GL codes, project IDs, custom fields) so those requirements shape your integration design from the start. Then decide how to measure success: adoption rate, policy compliance, order accuracy, and cycle times from request to PO.
 

2. Configure and test the technical integration

Most modern e-procurement systems (including SAP, Ariba, and Oracle) support cXML or OCI standards, enabling secure, two-way communication with supplier punchout catalogs. Amazon Business integrates with more than 200 e-procurement solutions using these protocols, so connectivity is typically straightforward.
 

During setup, you'll work with IT, your procurement system provider, and the supplier to:
 

• Configure connectivity and authentication so buyers can access the supplier catalog from within your system

• Map data fields such as cost centers, ship-to locations, and custom attributes

• Specify which accounts, business units, or users can see and use each punchout catalog
   

Before you go live, run a structured testing phase with a small group of buyers. Have them complete end-to-end purchases that mirror real scenarios, including the full checkout and approval flow. Confirm that pricing matches expectations, account coding flows through correctly, and approvals trigger as intended.
 

3. Launch, maintain, and measure program performance

Most organizations phase their rollouts to refine communication and training before extending access more broadly. Optimization of the program happens here: use early feedback to catch friction points before they scale.
 

Ongoing success depends on how you maintain and monitor the program. Track metrics that reveal both adoption and operational health:
 

• Adoption and usage: how much relevant spend flows through punchout instead of off-contract channels

• Policy compliance: how well orders follow defined approval paths, budgets, and preferred supplier agreements

• Operational efficiency: order cycle times, error rates, and manual touches compared with prior processes
   

Pair these metrics with regular check-ins with both suppliers and buyers’ system users. Supplier reviews confirm that catalog content, pricing, and account settings remain aligned with your agreements. User feedback highlights friction points you can address through targeted process or configuration changes.
 

Take the next step: Punchout catalog integration

Amazon Business supports Punchout with a wide range of e-procurement systems, so guided buying fits into the tools your teams already use. You define which products and policies apply. Buyers get the selection, convenience, and reliable delivery they expect from Amazon Business.
 

Ready to see how it works in your environment? Explore Amazon Business Punchout integration options to learn how we simplify purchasing without compromising your controls.