---
title: "Update Task Definition"
method: PUT
path: "/v1/workspaces/{workspace}/task-definitions/{definition_id}"
tags: ["v1", "protected", "task-definitions"]
---

# Update Task Definition

`PUT /v1/workspaces/{workspace}/task-definitions/{definition_id}`

## Request

- The document declares no server URL.
- Auth: HTTP bearer

Change a saved task; only the fields sent change.

## Path parameters

- `definition_id` string, uuid, required
- `workspace` string, required: Slug of the workspace the request acts in

## Request body

- TaskDefinitionUpdate: Changes to a saved task; a field left out stays as it is.
  - `agent_id` string, uuid, nullable
  - `description` string, nullable
  - `name` string, nullable
  - `parameters` object, nullable

## Response `200`

Successful Response

- TaskDefinitionResponse
  - `agent_id` string, uuid, required
  - `created_at` string, date-time, required
  - `created_by` string, required
  - `description` string, required
  - `id` string, uuid, required
  - `name` string, required
  - `parameters` object, required
  - `updated_at` string, date-time, required

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-20** `1868622eed6d`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/agentarea/apis/agentarea-api/changes/v1/workspaces/:workspace/task-definitions/:definition_id/put.md)

---

[API](https://skmtc.dev/agentarea/apis/agentarea-api.md) - [All operations](https://skmtc.dev/agentarea/apis/agentarea-api/llms.txt) - [OpenAPI document](https://skmtc.dev/agentarea/apis/agentarea-api/revisions/5b651833a114?raw)