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.
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.
Jan 22, 2026
New: Bulk item delete API Bulk Item Setup API now supports the `DELETE_ITEM` feed type. Use it to remove multiple seller-fulfilled(SFF) SKUs in one request for faster catalog cleanup and more consistent item lifecycle management.
Jan 22, 2026
Item spec version update and new features, Jan 2026 A new Item spec version 5.0.20251118-18_39_44 is here. New optional package dimension and weight fields help improve shipping accuracy, duties, and cross-border eligibility.
Nov 4, 2025
New: Walmart+ Bulk Item Enrollment API We are excited to launch the Walmart+ bulk enrollment for seller-fulfilled (SFF) product listings via a new feed-based API workflow.
Oct 31, 2025
New WFS Multichannel Solutions (MCS) API Sandbox The new MCS API sandbox supports custom test data simulation, enabling users to create, modify, and manage their own mock data for testing end-to-end workflows.