What’s new
Stay current on Walmart Marketplace API changes and explore what’s new.
Walmart has added a new inDemandIndicator query parameter for Listing Quality in Insights management API.
Market availability: Global
Walmart has added new`VEHICLE_DETAILS` tags in a `miscAttribute` group type for order lines to the Orders Management API.
Market availability: Global
The Assortment Recommendations API has new tag values to help sellers understand why an item is recommended.
Market availability: Global
The Assortment recommendations API has added new functionality to help you discover high-opportunity, customer favorite items, and receive recommendations directly into your systems.
Market availability: Global
Automotive sellers can now access customer vehicle information directly at the item level in the API, making it easier to review compatibility details as soon as the order is placed.
Market availability: Global
We’ve introduced an improved Help and Support experience for Walmart Marketplace APIs. This update centralizes support resources, and makes it easier to find answers across different stages of integration.
We have published a new API Deprecation Guide for Walmart Marketplace APIs.
Market availability: US only
We are excited to share that the Buy Box notification has expanded the payload to include offer-level data and improving notification timeliness
Market availability: Global
A new Integrating with Marketplace APIs course is available in Marketplace Learn .
Market availability: Global
A new bulk upload pricing API and pricing specification are now available.
Market availability: Global
Canada now supports token-based authentication, aligning with the US and other markets. Sellers no longer need to use the digital signature method for authentication.
Market availability: US only
We’re excited to announce the launch of Walmart Preferred Carrier APIs, designed to support automated fulfillment workflows for Walmart Fulfillment Services (WFS).
The GTIN Exemption Status API allows sellers to track the progress of exemption requests submitted through Seller Center. The API returns real-time status updates that match what appears on the Seller Center dashboard.
A new Item spec version 5.0.20250828-17_32_59 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.
Sellers can request an API traffic report to view historical Marketplace API traffic and client-error data. The report includes a breakdown by API endpoint and 4xx error code. Use the date range filters dataStartTime and dataEndTime to set the lookback period; by default it pulls the past 30 days, with a maximum lookback of two years.
We’re pleased to announce the launch of new Pricing Insights API. Using this API you can get comprehensive pricing insights for your items on Walmart Marketplace.
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.
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.
Sellers can now request an API traffic report to view historical Marketplace API traffic and client-error data. The report breaks down requests by API endpoint and 4xx error code. Use the dataStartTime and dataEndTime filters to set the lookback period; by default it pulls the past 30 days, with a maximum lookback of two years.