Marketplace Partners
Unlock the power of Marketplace APIs to manage items, orders, pricing, and so much more.
Action required: The ability for approved Solution Providers to create new Delegated Access keys was retired on July 30, 2026. Existing Delegated Access keys will continue to work until the end of September 2026.
Sellers: Connect directly with your Solution Provider through the Walmart App Store to ensure uninterrupted service.
Approved Solution Providers: Migrate your sellers to OAuth 2.0 by instructing them to reauthorize their app connections using the Connect button in the Walmart App Store.
Unlock the power of Marketplace APIs to manage items, orders, pricing, and so much more.
Build faster and smarter with our API integration guides.
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.
The latest platform updates — here to help you build with confidence.
The Settings Management API has been updated to support fulfillment center setup and edits in more countries.
The Simplified Shipping Settings endpoints will be deprecated on August 4, 2026.
Virtual Packs are now available for eligible U.S. API sellers through existing Item Management endpoints.
A new item specification version, 5.0.20260608-18_15_07-api, is now available for MP_ITEM, MP_MAINTENANCE, MP_WFS_ITEM, and OMNI_WFS feed types. This release also expands Collectibles support across additional eligible product types and introduces new collectible-specific attributes, condition values, and validation rules.