---
title: "List operation units with pagination"
method: GET
path: "/os/v1/operation-units"
tags: ["Operation Unit", "Operation Unit"]
---

# List operation units with pagination

`GET /os/v1/operation-units`

Retrieves a paginated list of operation units for the company, including company and parent when applicable. When `externalCode` is provided, results are filtered to the unit with that exact external code. If nothing matches, `data` is empty and `total` is 0 (HTTP 200, not 404).

## Query parameters

- `externalCode` string
- `page` number
- `maxPageSize` number

## Response `200`

Operation units retrieved successfully

- object
  - `result` object, required — Result data
    - `data` ListOperationUnitsPublicItemDto[], required
      - `uuid` string, uuid, required
      - `name` string, required
      - `externalCode` string, required
      - `address` string
      - `businessRegistrationNumber` string
      - `company` CompanyDto, required
        - `id` string — Internal company ID
        - `uuid` string, uuid — company UUID
        - `centralCompanyId` string, uuid — central company UUID
        - `name` string — company name
      - `parent` OperationUnitParentPublicSummaryDto
        - `uuid` string, uuid, required
        - `externalCode` string, required
        - `name` string, required
    - `page` number, required
    - `maxPageSize` number, required
    - `total` number, required
    - `totalPages` number, required
  - `path` string, required — Request path
  - `duration` string, required — Request duration
  - `method` 'GET' | 'POST' | 'PUT' | 'DELETE' | 'PATCH', required — HTTP method used

## Other responses

- `400` — Bad Request - Invalid query parameters
- `401` — Unauthorized - Invalid or missing token
- `500` — Internal Server Error - Unexpected failure

---

[API](https://skmtc.net/gupy/apis/gupy-public-api.md) · [All operations](https://skmtc.net/gupy/apis/gupy-public-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/gupy/gupy-public-api/revisions/3f26defa2a42/schema)