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.  To get started, read more.
Authentication

The Walmart Marketplace APIs use OAuth for token-based authentication.

Authorization

The Walmart Marketplace APIs use Delegated Access to provide delegated access for each Solution Provider.

Feeds

Marketplace APIs use Feeds for bulk functions, each feed has an HTTP request with an attached file.

Items

The Item Management APIs enable you to set up and manage items on Walmart.com.

Prices

You can use the price management APIs to set up and manage the price for a given item.

Insights

Grow your business with Insights APIs. Learn which items are top trending Walmart best selling items, and find out reasons that items go unpublished.

Promotions

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

Orders

The Walmart Order Management APIs help Sellers to manage customer’s Sales Orders and to stay up-to-date on order fulfillment.

Fulfillment

To convert items for fulfillment via WFS, use the Fulfillment APIs to store your inventory at Walmart fulfillment centers.

Returns

Use the Returns API to initiate returns, and the Refund API for refunds.

Inventory

The Inventory APIs allow you to keep up-to-date inventory for your items on Walmart.com.

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.

Settings

Settings APIs provide access to modify Shipping templates, enable multiple fulfillment centers, 2-day shipping, get all 3rd party fulfillment centers and available carrier methods.

Rules

Rules Management APIs help you manage shipping rules for your items.

Reports

Get pre-generated daily item reports with the Reports APIs.

Notifications

Use Notifications API to trigger seller app alerts for events such as: an item’s inventory is out of stock.

Errors

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