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Walmart Inventory API

The Inventory API from Walmart — 6 operation(s) for inventory.

Walmart Inventory API is one of 25 APIs that Walmart publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Inventory. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

This API exposes 8 operations across 6 paths. It is described by OpenAPI 3.2.0, at version 1.0.

Requests are made against 3 base URLs: https://api-gateway.walmart.com, https://sandbox.walmartapis.com, https://marketplace.walmartapis.com.

8 operations 6 paths 0 schemas 5 GET1 POST2 PUT

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0
Base URL
https://marketplace.walmartapis.com
Resource Areas
1

Paths & Operations 8

Across 6 paths, the API surfaces 8 operations — 5 GET, 1 POST, 2 PUT. Each is listed below with its method, path, parameters, and response codes.

Inventory 8
GET
/v3/inventory
Walmart Retrieve Inventory Count for a Single Item at One Ship Node
getInventory 7 params → 200
PUT
/v3/inventory
Walmart Update Inventory Count for a Single Item
putUpdateInventory 5 params body → 200
POST
/v3/feeds
Walmart Update Inventory Count for Items in Bulk
postBulkUpdateInventory 6 params body → 200
GET
/v3/inventories/{id}
Walmart Retrieve Inventory Count for a Single Item at Specific Ship Nodes
getSingleItemInventory 7 params → 200
GET
/v3/inventories/{sku}
Walmart Single Item Inventory by Ship Node
getMultiNodeInventoryForSkuAndAllShipnodes 6 params → 200
PUT
/v3/inventories/{sku}
Walmart Update Item Inventory Per Ship Node
updateMultiNodeInventory 5 params body → 200
GET
/v3/inventories
Walmart Multiple Item Inventory for All Ship Nodes
getMultiNodeInventoryForAllSkuAndAllShipNodes 6 params → 200
GET
/v3/fulfillment/inventory
Walmart Wfs Inventory
getWFSInventory 10 params → 200

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

walmart-inventory-api-openapi.yml Raw ↑

Other APIs Walmart publishes across the network.

Walmart Assortment Recommendations API
Walmart Authorization API
Walmart DSV Cost API
Walmart DSV Orders API
Walmart Feeds API
Walmart Fulfillment API
Walmart Insight API
Walmart Items API
Walmart Lag Time API
Walmart Listing Quality API
Walmart Notifications API
Walmart On-Request Report API
Where this information came from

This is an independent, third-party profile of Walmart Inventory API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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