Walmart Marketplace

Name: Walmart Marketplace API
Brand: Walmart Marketplace
Availability: InStock

✓ Official Vendor SpecE CommerceInventorybearer9 EndpointsREST

For Agents

Programmatically all items, an item. Covers 9 operations with bearer authentication.

Connect the Walmart Marketplace to your agent

Jentic One is a self-hosted execution layer for AI agents. It lets your agent call the Walmart Marketplace, or any other public or private API you need. You set the rules, the agent never sees your credentials, and every call is logged.

Install Jentic One Beta (Self-Hosted)

Jentic One Host machine

# On the machine that will host your Jentic One instance:
curl -fsSL https://raw.githubusercontent.com/jentic/jentic-one/main/tools/install.sh | sh

Agent machine

# On the machine where your agent runs (keep this separate from the instance):
curl -fsSL https://raw.githubusercontent.com/jentic/jentic-one/main/tools/install.sh | sh
jentic register       # connects your agent to your Jentic One instance

Jentic One is in public beta. The setup above keeps your agent separate from the instance, which is what you want before using real credentials: an agent running as the same OS user as Jentic One can read its stored keys directly. Just evaluating? A single local install is fine to start. See the secure deployment guide for the tiers.

Capabilities

What an agent can do with Walmart Marketplace API.

All items

An item

Retire an item

Ship Order Lines

Inventory

GET STARTED

Start building with Walmart Marketplace API

Explore with Jentic

View OpenAPI Document

Use Cases

Patterns agents use Walmart Marketplace API for, with concrete tasks.

★ E-Commerce Operations

Use the Walmart Marketplace to perform e commerce operations programmatically. The API provides 9 endpoints covering core functionality including all items, an item, retire an item.

Call GET /v3/items to all items

Automated Inventory Management Management

Automate inventory management operations by combining multiple Walmart Marketplace endpoints. Agents can an item and then retire an item in a single workflow.

Call GET /v3/items/{itemId} to an item, then verify the result

AI Agent Integration via Jentic

AI agents discover and call Walmart Marketplace endpoints through Jentic without managing credentials directly. An agent searches for the required operation by intent, receives the matching endpoint schema, and executes the call with Jentic-managed authentication. This eliminates the need to read API documentation or handle bearer tokens manually.

Search Jentic for 'all items', load the operation schema, and execute with Jentic-managed credentials

Key Endpoints

9 endpoints — walmart marketplace api for sellers.

METHOD

PATH

DESCRIPTION

GET

/v3/items

All items

GET

/v3/items/{itemId}

An item

DELETE

/v3/items/{itemId}

Retire an item

GET

/v3/orders

All orders

GET

/v3/orders/{purchaseOrderId}

An order

POST

/v3/orders/{purchaseOrderId}/shipping

Ship Order Lines

GET

/v3/inventory

Inventory

PUT

/v3/inventory

Update inventory

GET

/v3/items

All items

GET

/v3/items/{itemId}

An item

DELETE

/v3/items/{itemId}

Retire an item

GET

/v3/orders

All orders

GET

/v3/orders/{purchaseOrderId}

An order

POST

/v3/orders/{purchaseOrderId}/shipping

Why though Jentic?

Three things that make agents converge on Jentic-routed access.

Credential isolation

Walmart Marketplace bearer credentials are stored encrypted in the Jentic vault (MAXsystem). Agents receive scoped access tokens — raw secrets never enter the agent context.

Intent-based discovery

Agents search by intent (e.g., 'all items') and Jentic returns the matching Walmart Marketplace operation with its input schema, so the agent can call the right endpoint without browsing docs.

Time to first call

Direct Walmart Marketplace integration: 1-3 days for auth handling, response parsing, and error cases. Through Jentic: under 1 hour — search, load schema, execute.

Related APIs

Alternatives and complements available in the Jentic catalogue.

Alternative

Shopify

Alternative e commerce API

Choose Shopify when you need a different approach to e commerce operations

Alternative

Stripe

Alternative e commerce API

Choose Stripe when you need a different approach to e commerce operations

FAQs

Specific to using Walmart Marketplace API through Jentic.

What authentication does the Walmart Marketplace use?

The Walmart Marketplace uses a Bearer token in the Authorization header. Through Jentic, these credentials are stored encrypted in the MAXsystem vault and injected at execution time, so raw secrets never enter the agent context.

Can I all items with the Walmart Marketplace?

Yes. Use the GET /v3/items endpoint. The API returns structured JSON responses that agents can parse and act on directly.

What are the rate limits for the Walmart Marketplace?

Rate limits are not specified in the OpenAPI spec. Check the vendor documentation for current limits. Through Jentic, rate limiting is handled automatically with retry logic built into the execution layer.

How do I all items through Jentic?

Install the Jentic SDK with pip install jentic, authenticate at https://app.jentic.com/sign-up, then search for 'all items'. Jentic returns the matching Walmart Marketplace operation with its input schema. Load the schema and execute the call — credentials are injected automatically.

How many endpoints does the Walmart Marketplace have?

The Walmart Marketplace exposes 9 endpoints covering inventory management, item management, order management operations.