## Overview

The endpoint presented in this article is used to delete a single serial number from an existing sales order.

To consume the endpoint, you must:

- Be an authenticated user.

For information on how you can authenticate, see [Authentication](https://developer.sellercloud.com/dev-article/authentication/).

Once you authenticate and receive a valid token, it needs to be passed on the call when deleting the serial.

### Endpoint

An example of such an endpoint for XX server is:

https://xx.api.sellercloud.com/rest/api/Orders/Serials

For your server, the endpoint will be:

https://{your_server_id}.api.sellercloud.com/rest/api/Orders/Serials

### Request

- Method Type: **HttpDelete**  
- Authorization: Use **Bearer Token** + token received from token authentication  
- Header info: **Content-Type: application/json**

| **Parameter** | **Data Type** | **Description** | **Required** |
| --- | --- | --- | --- |
| OrderID | int | The Sellercloud ID of an existing Sales Order. | Yes |
| ProductID | string | The Sellercloud SKU of an order item. | Yes |
| SerialNumber | string | The Serial Number to be deleted. | Yes |

### Response

- If the user is authenticated and the request is successful, then the response will be **Status Code 200 => OK**  
- If the user is not authenticated, then the response will be **Status Code 401 => Not Valid Token**  
- In case of an error, the response will be **Status Code 500 => Internal Server Error**  
- In case of an incorrect request, the response will be with status code **400 Bad Request**