GLOBAL Marketplace Partners
Unlock the power of Marketplace APIs to manage items, orders, pricing, and so much more.
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Popular APIs to help you get started
From managing items to tracking fulfillment — explore our most popular endpoints.
Items
Create and manage item listings on Walmart.com.
Inventory
Keep your item inventory up-to-date.
Promotions
Set promotional item prices for events such as clearance sales or call out comparison prices
Ship with Walmart
Ship with Walmart (SWW) enables sellers to buy shipping at discounted rates directly from Walmart to ship their goods to U.S. customers.
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Use testing environments and real-time API status updates to build solutions that last.
What's new?
Stay current on Walmart Marketplace API changes and explore what’s new.
June 22, 2026
New: Ship With Walmart scan form APIs Market availability: US only
Use the new Ship With Walmart scan form APIs to generate and download USPS shipping manifests for carrier pickup.
May 26, 2026
New: Assortment Recommendations API tag fields, The Assortment Recommendations API has new tag values to help sellers understand why an item is recommended.
April 10, 2026
New: Assortment recommendations | Discovery filters and webhook notifications The Assortment recommendations API has added new functionality to help you discover high-opportunity, customer favorite items, and receive recommendations directly into your systems.
April 8, 2026
New: Vehicle details in fitment orders Automotive sellers can now access customer vehicle information directly at the item level in the API, making it easier to review compatibility details as soon as the order is placed.