Walmart 1P Supplier API release announcement, August 2025

August 20, 2025

Walmart is excited to announce new updates to the 1P Supplier feed files to improve the item setup and maintenance processes. The new feed files contain the latest product types, attributes, and values, to help suppliers improve content quality scores and drive customer conversions. 

The updated feed files are accessible in the Walmart Item Management API Schema. 

For more details on the API features, as well as how to implement them, please refer to the 1P Supplier Items Guide and 1P Supplier Feeds Guide.