# Update a department level

> `PATCH` `/v1/department-levels`

URL: https://www.agencytitan.com/docs/tag/department-levels/PATCH/v1/department-levels

Operation ID: `department_levels_update`

Tag: [department_levels](https://www.agencytitan.com/docs/tag/department-levels.md)

## Description

Change or update an existing department level (name, description, order, or hourly cost).

## Parameters

_None_

## Request body

- Required: yes
- Content-Type: `application/json`
  - Type: `object`
  - Properties:
    - `cost_per_hour` (`anyOf`) — Updated hourly cost. Set null to clear.
    - `department_id` (`string`) — Optional owning department id.
    - `department_name` (`string`) — Optional owning department name when level_id is not known.
    - `description` (`anyOf`) — Updated level description. Set null to clear.
    - `display_order` (`anyOf`) — Updated level order. Must be a positive integer when provided.
    - `level_id` (`string`) — Exact level id.
    - `level_name` (`string`) — Alternative to level_id. Exact level name within the department.
    - `name` (`string`) — Updated level name.

## Responses

- `200` (`application/json`): Successful response.
  - Type: `object`
  - Properties:
    - `data` (`object`, required)
- `400` (`application/json`): Request validation failed (unknown or out-of-range parameters/properties are rejected).
  - Type: `object`
  - Properties:
    - `error` (`object`, required)
- `401` (`application/json`): Missing, invalid, expired, or revoked bearer token.
  - Type: `object`
  - Properties:
    - `error` (`string`, required)
    - `error_description` (`string`, required)
- `403` (`application/json`): The authenticated user does not have permission for this operation.
  - Type: `object`
  - Properties:
    - `error` (`object`, required)
- `404` (`application/json`): The requested resource was not found.
  - Type: `object`
  - Properties:
    - `error` (`object`, required)
- `409` (`application/json`): The request conflicts with an existing record or partially applied.
  - Type: `object`
  - Properties:
    - `error` (`object`, required)
- `429` (`application/json`): Per-tenant rate limit exceeded (600 requests/minute across all /v1 REST endpoints). The Retry-After header indicates how many seconds to wait.
  - Type: `object`
  - Properties:
    - `error` (`object`, required)
- `500` (`application/json`): An unexpected internal error occurred.
  - Type: `object`
  - Properties:
    - `error` (`object`, required)

## Authentication

- `bearerAuth` — http (bearer) — All /v1 endpoints (except `/v1/openapi.json` and `/v1/llms.txt`) require a bearer token. Two equal first-class paths: (1) an OAuth 2.0 access token from the au…

## Useful links

- Interactive page: https://www.agencytitan.com/docs/tag/department-levels/PATCH/v1/department-levels
- API reference home: https://www.agencytitan.com/docs/
- Tag page: https://www.agencytitan.com/docs/tag/department-levels.md
- This operation as Markdown: https://www.agencytitan.com/docs/tag/department-levels/PATCH/v1/department-levels.md
- OpenAPI JSON: https://www.agencytitan.com/docs/openapi.json
- Full API Markdown: https://api.agencytitan.com/v1/llms.txt
- API keys: https://app.agencytitan.com/settings/api-mcp