Walmart seller glossary
Walmart Marketplace API
Walmart's catalog + orders + inventory + items API for marketplace sellers. Requires Walmart Partner Network approval (2-4 week review).
Auth: Client ID + Client Secret → exchange for 15-minute access token. Endpoints: /items, /reports, /orders, /returns, /price, /inventory.
ShelfSEO uses MP_ITEM feed to push AI-rewritten titles + descriptions + key features directly to the catalog (the killer Pro-tier feature).
Related terms
Last reviewed May 13, 2026.
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