Walmart APIs for AI Agents
E CommerceOrder ManagementInventoryMixed ProvenanceNo authBearer tokenAgent Ready
marketplace.walmart.com·Developer portal → developer.walmart.com
Walmart API Catalog
5 APIs across 2 product groups.
E Commerce3
Which Walmart API should I use?
| I want to... | Use | Why |
|---|---|---|
| Read, acknowledge, cancel, refund, or ship orders | Orders API | The Orders API covers the full order lifecycle, while the Marketplace API only exposes get-all-orders, get-an-order, and ship. |
| One broad API spanning items, orders, inventory, and price | Walmart Marketplace | The Marketplace API bundles core read and write operations across all four seller areas into one surface. |
| Update stock across ship nodes or WFS | Inventory Management | Inventory Management adds per-ship-node, bulk, and Walmart Fulfillment Services inventory operations the Marketplace API does not. |
| Set or bulk-update item prices | Price Management | Price Management is the dedicated surface for single-price updates, CAP SKU setup, and bulk price feeds. |
| Submit item listing feeds | Item API | The Item API handles v2 and v3 item feed uploads and feed-status checks, which the Marketplace API does not expose. |
Install Jentic One Beta
Why Jentic?
What agents get from Jentic-routed access to this vendor.
Setup
Instead of wiring up the Walmart marketplace host and the developer proxy hosts and handling each API's auth separately, you install Jentic One once, add the Walmart APIs you need from the Jentic API Directory, and your agent calls any of them through one interface.
Permission scoping
Your own rules decide which Walmart operations the agent may call. Because Orders, Inventory Management, and the Marketplace API put the order, SKU, or item id in the URL path, a rule can pin the agent to specific resources and allow reads while leaving writes such as cancel, refund, or retire an item out of the allowed set.
Credential isolation
Each Walmart credential, including the Marketplace Bearer token, is stored once, encrypted, by your own Jentic One instance and injected at execution time. It never enters the agent's prompt, logs, or context.
FAQs
Specific to using Walmart APIs through Jentic.
What can an agent do across Walmart's APIs?
It can run the Walmart Marketplace seller workflow end to end: upload item feeds and manage listings, keep inventory in sync across ship nodes and Walmart Fulfillment Services, set and bulk-update prices, and read, acknowledge, cancel, refund, and ship orders.
Do the Walmart APIs share one login?
No. The Marketplace API expects a Bearer token in the Authorization header, while the Orders, Inventory Management, Item, and Price Management specs declare no authentication. Through Jentic each API's credential is stored once in your own Jentic One instance and injected at execution time.
Which API should an agent use for orders?
Use the Orders API for the full order lifecycle, including acknowledge, cancel, refund, and ship. The broader Marketplace API only exposes listing orders, getting a single order, and shipping.
How do items, inventory, and price fit together?
The Item API creates and updates listings through feeds, Price Management sets the price for a SKU, and Inventory Management keeps stock accurate across ship nodes and WFS. An agent typically lists an item, prices it, then syncs its inventory.
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