---
title: "Delete Task Endpoint"
method: DELETE
path: "/api/projects/{project_id}/tasks/{task_id}"
tags: ["task_dag_mutations"]
---

# Delete Task Endpoint

`DELETE /api/projects/{project_id}/tasks/{task_id}`

## Path parameters

- `project_id` string, required
- `task_id` string, required

## Query parameters

- `chat_session_id` string, nullable — Chat session ID of the caller (must be assignee or creator)

## Request body

- DeleteTaskRequest
  - `chat_session_id` string, required — Chat session ID of the caller (must be assignee or creator)

## Response `200`

Successful Response

- object

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/quadrillion/apis/quadrillion-cloud-api.md) · [All operations](https://skmtc.net/quadrillion/apis/quadrillion-cloud-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/quadrillion/quadrillion-cloud-api/versions/399077308c86/schema)