Marketplace

The Walmart Marketplace API provides resources for seller applications to manage items, orders, prices, promotions, inventory and reports on Walmart.com. The Walmart Developer Center provides all the tools you need to directly integrate with the Walmart Marketplace API.

Get started
Introduction

Learn how to register as a seller with Walmart Marketplace, and get an overview of how to integrate with Marketplace APIs.

Authentication

Get your API keys for OAuth token-based authentication.

Authorization

Use Delegated Access to provide separate authorization for each Solution Provider.

Throttling

Learn more about preset throttling limits for each API to optimize performance.

Items & Inventory
Feeds

Handle bulk functions with feeds.

Items

Set up and manage items on Walmart.com.

Prices

Set up and manage the price for a given item.

Promotions

Set promotional item prices for events such as clearance sales or to call out a comparison price.

Inventory

Keep your item inventory up-to-date.

Programs
Walmart Fulfillment Services (WFS)

Use Walmart fulfillment centers to store and ship your item inventory.

Orders & Returns Management
Orders

Manage customer purchase orders and to stay up-to-date on order fulfillment.

Returns

Initiate returns and refunds.

Lag Time

Use the Lag Time API to get the number of days between when an item is ordered and when it is shipped for a given SKU.

Analytics & Growth Opportunities
Insights

Grow your business by learning insights about top trending Walmart items, listing quality metrics, and reasons that items go unpublished.

Pregenerated Reports

Get reports generated as a batch once daily about your items.

On-request Reports

Request an item report at any time, and download it when it is ready.

Settings & Utilities
Utilities

Get item category and department per Item feedType, and search to view all item departments and categories at Walmart.

Rules

Create shipping rules for your items.

Settings

Configure shipping delivery and fulfillment settings for your orders.

Notifications

Set up seller app alerts for events such as item inventory is out of stock, and others.

Errors

HTTP Error code categories (e.g. application, system, data), status codes and descriptions.