---
title: "Availability data model"
url: "https://docs.unified.to/commerce/availability/model"
description: "API reference for Availability data model. Launch multiple pre-built Availability integrations today with zero maintenance — all through a single API."
generated_at: "2026-06-26T21:10:51.153Z"
---
# Availability 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

**location\_id**string 

(reference to CommerceLocation)

**start\_at**date 

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

**end\_at**date 

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

**size**number 

**item\_id**string 

(reference to CommerceItem)

**staff\_user\_id**string 

(reference to HrisEmployee)

**raw**any