Marketplace Partners

Unlock the power of Marketplace APIs to manage items, orders, pricing, and so much more.

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Build faster and smarter with our API integration guides.

Integrate with our APIs to start selling on Walmart.com.

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Leverage our APIs to build e-commerce solutions.

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From managing items to tracking fulfillment — explore our most popular endpoints.

Create and manage item listings on Walmart.com.

Keep your item inventory up-to-date.

Set promotional item prices for events such as clearance sales or call out comparison prices

Ship with Walmart (SWW) enables sellers to buy shipping at discounted rates directly from Walmart to ship their goods to U.S. customers.

Use testing environments and real-time API status updates to build solutions that last.

Monitor API health and performance in real-time.

Develop and test API integrations securely.

The latest platform updates — here to help you build with confidence.

New item spec version 5.0.20260114-19_40_57 available for MP_ITEM, MP_MAINTENANCE, MP_WFS_ITEM, OMNI_WFS feed types.

Discover available 1099-K tax forms by payout year and download the PDF for compliance.

A new Integrating with Marketplace APIs course is available in Marketplace Learn.

Use the Simulations API to simulate items and orders in the Walmart Marketplace dynamic sandbox.