Marketplace Partners
The Walmart Marketplace APIs provide resources for sellers to manage items, orders, prices, promotions, inventory, and reports on Walmart.com. The Walmart Developer Portal provides all the tools you need to directly integrate with Walmart Marketplace APIs.
Getting started guide for
sellers
Learn how to register as a seller with Walmart Marketplace, and get an overview of how to integrate with Marketplace APIs.
Get started
Getting started guide for
solution providers
Learn how to register as a solution provider with Walmart Marketplace, and get an overview of how to integrate with Marketplace APIs.
Get startedAPI references
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.
What's new
Item spec version update and new features
A new Item spec version 5.0.20250612-15_17_48 is now available. To download a copy or review a comprehensive list of all the minor and major changes, refer to the Item spec reporting and version table.
Important Security Update: TLS Version Upgrade
TLS versions 1.0 and 1.1 are deprecated on Aug 5th, 2025 . Users need to update their implementations to TLS 1.2 or 1.3.
New On-Request Reports API Scheduler
The On-Request Reports API now supports scheduled report generation. Configure schedules for each report type and receive completed files at your destination URL.
Inventory Reconciliation Report API
We’re pleased to announce the launch of new Inventory Reconciliation Report API. Using this API you can generates a summary of net inventory movement for a specified date range.