# Task checklist Items / Add Check Item to a Task

> This is a POST request, submitting data to an API via the request body. This request submits JSON data, and the data is reflected in the response. A successful POST request typically returns (Tasks)

- Page: https://dashboard.nizu.io/knowledge_base/view/203-task-checklist-items-add-check-item-to-a-task
- Part of: [Knowledge base](https://dashboard.nizu.io/knowledge_base/llms.txt) on NIZU — https://dashboard.nizu.io/llms.txt
- Updated: 2026-10-25T11:50:03Z

This is a POST request, submitting data to an API via the request body. This request submits JSON data, and the data is reflected in the response.

 A successful POST request typically returns a `200 OK` or `201 Created` response code.

 Key Fields

 **task_id**: The parent task ID that will hold this check list item

 is_checked: \[0-1\]

 1. Not Done

 2. Done