---
title: "GET /udl/entity/getAllTypes"
method: GET
path: "/udl/entity/getAllTypes"
tags: ["Supporting Data"]
---

# GET /udl/entity/getAllTypes

`GET /udl/entity/getAllTypes`

## Request

- Base URL: `https://unifieddatalibrary.com`
- URL: `https://unifieddatalibrary.com/udl/entity/getAllTypes`
- Auth: none declared

Retrieves all distinct entity types.

## Query parameters

- `firstResult` integer
- `maxResults` integer

## Response `200`

OK

- string[]

## Other responses

- `400`: Bad Request
- `401`: Invalid/Missing User Credentials
- `403`: User Is Not Authorized
- `405`: Method Not Allowed
- `406`: MediaType Not Accepted by Request Headers
- `429`: Rate of Requests Exceeds Allowed Limit
- `500`: Internal Server Error

## Changes

> 12 revisions in range; 1 could not be searched.

- **2025-05-29** `4e1cbc17e814`: 6 breaking, 19 warning, 2 info
  - the `items/` response's property type changed from `object` to `string` for status `200`
  - removed the required property `items/classificationMarking` from the response with the `200` status
  - removed the required property `items/dataMode` from the response with the `200` status
  - removed the required property `items/name` from the response with the `200` status
  - …23 more
- **2025-04-16** `75f764c843a9`: 12 info
  - api operation id `getAllTypes` removed and replaced with ``
  - the endpoint scheme security `BasicAuth` was removed from the API
  - the response optional property `items/location` became not read-only for the status `200`
  - the response optional property `items/onOrbit/antennas/items/antenna` became not read-only for the status `200`
  - …8 more

[Operation history](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/changes/udl/entity/getAllTypes/get.md)

---

[API](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api.md) - [All operations](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/llms.txt) - [OpenAPI document](https://skmtc.dev/bluestaq/apis/unified-data-library-services-api/revisions/bd17bc53681e?raw)