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.

Authorization

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

Authentication

Get your API keys for OAuth token-based authentication.

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.

Analytics & Growth Opportunities
Reviews

Enrol items into Review Accelerator Program to get more reviews

Insights

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your business by learning insights about top trending Walmart items, listing quality metrics, and reasons that items go unpublished.

On-request Reports

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

Assortment Recommendations

Assortment APIs recommend best selling items to add to your catalog using customer demand signals, category data and more

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.

Payments Report

Get Payments information about your accounts including statements, reconciliation reports and performance indicators.

Settings & Utilities
Utilities

Utility APIs provide Sellers with useful API endpoints. The APIs retrieve marketplace API platform health, item categories, and more.

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.