# DELETE /admin/authenticationservers/{id}

> Deregister an authentication server by its ID, as the Deregister button of the admin portal's Authentication page does; returns 200, or 404 for an unknown ID.

- **Product:** DS Server
- **Section:** Documentation
- **Kind:** Endpoint
- **Path:** DS Server > API Reference > Web API > Administration > /authenticationservers/{id} > DELETE /admin/authenticationservers/{id}
- **398 words**
- **Web URL:** https://docs.textcontrol.com/ds-server/reference/web-api/administration/authenticationservers-id/delete/
- **LLMs URL:** https://docs.textcontrol.com/ds-server/reference/web-api/administration/authenticationservers-id/delete/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/ds-server/reference/web-api/administration/authenticationservers-id/delete/llms-full.txt

---

`DELETE` `https://example.com/admin/authenticationservers/{id}`

### Description

Deletes a specific authentication server based on a given ID, as **Deregister** on the **Authentication** page of the admin portal does. The endpoint was added in DS Server 3.1.0.

### Examples

The following sample deletes the authentication server with the ID 1.

```bash
# Request:
curl --request DELETE 'https://trial.dsserver.io/admin/authenticationservers/1' \
    --header 'Authorization: Basic YWRtaW46YWRtaW5hZG1pbg=='
```

### Authorization

This endpoint supports the Basic authorization method:

#### Basic

| Header field | Description |
|---|---|
| Authorization | The username "admin" and your admin password are combined into a string separated by a colon, e.g.: admin:password. The resulting string is encoded using the RFC2045-MIME variant of Base64, except not limited to 76 char/line. The authorization method and a space i.e. "Basic " is then put before the encoded string. For example: `Authorization: Basic QWxhZGRpbjpPcGVuU2VzYW1l` |

### Success Response

| Status | Description |
|---|---|
| 200 | On success, the HTTP status code in the response header is 200 (OK). |

### Error Response

| Status | Description |
|---|---|
| 401 | A 401 (Unauthorized) is returned, if the user is not authorized. |
| 404 | A 404 (Not Found) with an empty body is returned, if the given ID doesn't match an existing authentication server. |

---

## Nearby

- **Previous:** [GET /admin/authenticationservers/{id}](https://docs.textcontrol.com/ds-server/reference/web-api/administration/authenticationservers-id/get/llms-full.txt)
- **Next:** [/admin/authenticationservers/{id}/serverurl](https://docs.textcontrol.com/ds-server/reference/web-api/administration/authenticationservers-id-serverurl/llms-full.txt)