Action Required: The ability for approved Solution Providers to create new Delegated Access keys will be retired on July 30, 2026. Existing Delegated Access keys will be retired and will stop working on October 1, 2026.
Seller: 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.

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Marketplace Partners

Unlock the power of Marketplace APIs to manage items, orders, pricing, and so much more.

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Sellers

Integrate with our APIs to start selling on Walmart.com.

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Solution Providers

Leverage our APIs to build e-commerce solutions.

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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.

Promotions

Set promotional item prices for events such as clearance sales or call out comparison prices

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.

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API health dashboard

Monitor API health and performance in real-time.

Sandbox testing

Develop and test API integrations securely.

What's new?

The latest platform updates — here to help you build with confidence.

July 26, 2026

Update: Customer favorite filter for reviews API

The get RAP post-purchase items API now supports filtering by customer favorite status and returns customer favorite information for each item, helping you identify and prioritize products for Review Accelerator Program (RAP) enrollment.

July 06, 2026

New: Customer favorite filtering

WFS inventory and shipment-quantity recommendations includes a customer favorite indicator for filtering and insights.

July 2, 2026

Update: Fitment vehicle details in the Orders management API

Walmart has added new`VEHICLE_DETAILS` tags in a `miscAttribute` group type for order lines in the Orders Management API.

July 1, 2026

New: Get ship-on-date API

The Walmart Ship With Walmart API now supports a new Get ship-on-date endpoint.