CANADA Marketplace Partners
Unlock the power of Marketplace APIs to manage items, orders, pricing, and so much more.
Start integrating today
Build faster and smarter with our API integration guides.
Sellers
Integrate with our APIs to start selling on Walmart.com.
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.
Promotions
Set promotional item prices for events such as clearance sales or call out a comparison price.
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.
Track your progress
Use testing environments and real-time API status updates to build solutions that last.
API health dashboard
Monitor API health and performance in real-time.
What's new?
The latest platform updates — here to help you build with confidence.
Aug 05, 2025
Important Security Update: TLS Version Upgrade TLS versions 1.0 and 1.1 are deprecated on Aug 5th, 2025 . Users need to update their implementations to TLS 1.2 or 1.3.
Dec 12, 2024
New Pro Seller API available We’re excited to announce the launch of the new API for the updated Pro Seller program. This new API delivers up-to-date insights, rewards, and your new tiered status.
Dec 12, 2024
Sellers lag time reports We are thrilled to announce that we are launching a new lag time report for sellers to view configured lag times for their items.
Dec 12, 2024
Items, Inventory, Orders, Returns, API update – preorder On September 18, 2024, preorder and its related information will be available across various APIs.