Marketplace Partners
Unlock the power of Marketplace APIs to manage items, orders, pricing, and so much more.
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Popular API guides 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.
Orders
Track your order fulfillment progress.
Pricing
Manage prices, fees, and incentives.
Track your progress
Use testing environments and real-time API status updates to build solutions that last.
What's new?
The latest platform updates — here to help you build with confidence.
Oct 21, 2025
WFS Preferred Carrier APIs We’re pleased to announce the launch of new WFS Preferred Carrier APIs. Walmart provides a network of trusted carriers through the Walmart Preferred Carrier (WPC) Program, designed to simplify inbound shipping to Walmart Fulfillment Services (WFS) facilities.
Oct 14, 2025
Item spec version update, Oct 2025 A new Item spec version 5.0.20250828-17_32_59 is now available. To download a copy or review a comprehensive list of all the minor and major changes, refer to the Item spec reporting and version table.
Apr 27, 2025
New GTIN Exemption Status API The GTIN Exemption Status API allows sellers to track the progress of exemption requests submitted through Seller Center. The API returns real-time status updates that match what appears on the Seller Center dashboard: Approved, Denied, Processing, or Requires More Information.
Apr 27, 2025
New Shipment Protection API Submit and track protection claims for Ship with Walmart labels. Supports lost in transit, lost after delivery, and damaged shipments. See the Shipment Protection API overview.