---
title: "Inventory data model"
url: "https://docs.unified.to/commerce/inventory/model"
description: "API reference for Inventory data model. Launch multiple pre-built Inventory integrations today with zero maintenance — all through a single API."
generated_at: "2026-06-15T20:22:54.241Z"
---
# Inventory data model

 View field support, webhooks, and list parameters for each integration on the [Supported Integrations](/commerce/integrations) page. 

### 

* Data Model
* Typescript Type
* Zod Shape
* Python Class

Data Model

**id**string 

**updated\_at**date 

(ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)

**item\_id**string 

(reference to CommerceItem)

**item\_variant\_id**string 

(reference to CommerceCommerceItemvariant)

**item\_option\_id**string 

**location\_id**string 

(reference to CommerceLocation)

**available**number 

**raw**any