Storefronts and marketplaces Official

Walmart Marketplace MCP server

Checked October 2026.

Walmart's Developer Docs MCP helps coding assistants discover Marketplace APIs, inspect schemas, and look up authentication requirements. It is currently limited to approved solution providers and reads documentation, not a seller's orders, items, inventory, or returns. Seller data still requires credentials for the Marketplace APIs.

Walmart Marketplace MCP options

Walmart Marketplace's server here does not reach your account. Every fact in a row comes from the publisher's own documentation.

Ways to reach Walmart Marketplace data from an assistant
Option	Audience	Reads or changes	Sign-in	Setup
Walmart Developer Docs MCP `https://developer.walmart.com/mcp` Walmart	Developers	Discovers US and Global Marketplace API specifications, searches operations and schemas, and looks up authentication requirements. Currently available to approved solution providers; seller access is planned. It does not execute Marketplace API calls or read seller-account data. Read only No account data	See guide	Setup guide (opens in a new tab)

Tools each server exposes

Listed as each publisher documents them. A write tool can change something in the account.

Walmart Developer Docs MCP 5 tools: 5 read, 0 write

Read

list_marketplace_api_specs
search_marketplace_apis
list_api_operations
get_operation_spec
get_auth_requirements

Other ways to reach Walmart Marketplace data

One MCP server per tool still can't answer a cross-channel question.

Each server brings its own sign-in, its own definition of revenue, and data your assistant can't join to the rest.

SourceMedium connects 66 commerce and marketing sources, keeps one set of maintained definitions, and gives ChatGPT, Claude, and other assistants a single connection to all of it. Walmart Marketplace is a coming-soon SourceMedium source.

Book a walkthrough See how it works

Walmart Marketplace on SourceMedium