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updatedAt: 2026-04-12T09:23:56.000Z
---

# Inventory OOS event

The Inventory OOS event notifies you when an item goes out of stock. When this event occurs, Walmart sends a notification to your destination URL. The notification includes a payload with item and inventory details.

## Event details

* Event type: INVENTORY\_OOS
* Event version: V1
* Resource name: INVENTORY

## Response parameters

The notification includes the following fields:

| Name           | Description                                                      | Type    |
| -------------- | ---------------------------------------------------------------- | ------- |
| source         | Metadata about the event                                         | Object  |
| eventType      | Event for which the notification is received                     | String  |
| eventTime      | Timestamp of when the event occurred                             | String  |
| eventId        | Unique identifier for the event                                  | String  |
| payload        | Event-specific details                                           | Object  |
| partnerId      | Seller’s partner ID                                              | String  |
| itemId         | A unique identifier for the item                                 | String  |
| sku            | Stock Keeping Unit - Unique identifier which identifies the item | String  |
| productName    | Name of the item                                                 | String  |
| category       | Category of the item                                             | String  |
| shipNodes      | List of ship node details                                        | List    |
| availToSellQty | Quantity available to sell                                       | Integer |
| shipNode       | Unique identifier for the ship node                              | String  |
| shipNodeName   | Name of the ship node                                            | String  |

### Sample payload 1: Inventory OOS

```
{
    "source": {
        "eventType": "INVENTORY_OOS",
        "eventTime": "2021-03-31T06:39:54.726Z",
        "eventId": "e734a060-91eb-11eb-8024-dbd12dd659ed"
    },
    "payload": {
        "partnerId": "123633591",
        "itemId": "286687472",
        "sku": "PORA-L500-Light-Stone-L",
        "productName": "Port Authority Women's Polo",
        "category": "Clothing, Shoes & Accessories",
        "shipNodes": [
            {
                "availToSellQty": 0,
                "shipNode": "633591",
                "shipNodeName": "633591@PORA-L500-Light-Stone-L@ACTIVE"
            }
        ]
    }
}
```