1P Suppliers
Walmart 1P suppliers (DSV, Warehouse, and Import) can use our APIs to sell their items directly to Walmart.
Getting Started Guide
Learn how to manage your items, orders, inventory, and more with our Supplier APIs.
Get startedSandbox documentation
Learn how the Supplier sandbox can help you test and develop your integrations.
ViewAPI references
DSV Inventory
Use DSV Inventory API requests to update and view item inventory for each ship node and to stay up to date on order fulfillment.
DSV Orders
Order Management APIs help Drop Ship Vendors manage order fulfillment from sales orders and purchase orders assigned to multiple DSVs.
Feeds
Supplier APIs use feeds for all bulk functions. Each feed has an HTTP request with an attached file and must be tracked post submission.
What's new
Walmart 1P Supplier API release announcement, May 2025: New updates to the Item Setup and Maintenance APIs
Walmart is excited to announce new updates to the 1P Supplier feed files to improve the item setup and maintenance processes.
1P API Release Announcement: Exciting Updates for Item Setup and Maintenance
Walmart is thrilled to announce the release of updated feeds files versions for 1P suppliers to enhance item setup and maintenance processes.
New API Releases - Invoices & Vendor Managed Pricing
Walmart is excited to announce the release of two new API offerings for 1P Suppliers providing options for seamless integration between native applications and Walmart data.
1P Suppliers: New Notification Platform in September 2024
Walmart is launching a new notification platform, designed to keep suppliers informed and connected with Walmart in real-time. The platform will introduce two new webhooks.