---
title: "List data model"
url: "https://docs.unified.to/martech/list/model"
description: "API reference for List data model. Launch multiple pre-built List integrations today with zero maintenance — all through a single API."
generated_at: "2026-05-22T23:27:06.682Z"
---
# List data model

Mailing List

### 

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

Data Model

**id**string 

Identifier for this list

**created\_at**date 

Date that this list was created (ISO-8601 / YYYY-MM-DDTHH:MM:SSZ format)

**updated\_at**date 

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

**name**string 

The list's name

**description**string 

**start\_at**date 

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

**end\_at**date 

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

**user\_id**string 

The user who created this list (reference to HrisEmployee)

**is\_active**boolean 

**address**object 

**subject**string 

**sender\_name**string 

**sender\_email**string 

**language**string 

**sender\_company**string 

**sender\_phone**string 

**raw**any 

The raw data returned by the integration for this list