# Cancel Order

`DELETE`

### Overview

Cancels an active limit order.

### Authentication

HMAC-SHA256 authentication required.

| Header                  | Description                             |
| ----------------------- | --------------------------------------- |
| `OUTPOLL-API-KEY`       | Your API key                            |
| `OUTPOLL-API-SIGNATURE` | Base64URL-encoded HMAC-SHA256 signature |
| `OUTPOLL-API-TIMESTAMP` | Current Unix timestamp in seconds       |

Generate the signature from `timestamp + method + path + body`.

Timestamps must be within `30` seconds of server time.

### Common errors

| Code | Description                                           |
| ---- | ----------------------------------------------------- |
| 200  | OK — Request succeeded                                |
| 201  | Created — Resource created successfully               |
| 202  | Accepted — Request accepted for async processing      |
| 204  | No Content — Success with no response body            |
| 400  | Bad Request — Invalid parameters                      |
| 401  | Unauthorized — Missing or invalid API key / signature |
| 403  | Forbidden — API key permanently blocked               |
| 404  | Not Found — Resource does not exist                   |
| 429  | Too Many Requests — Rate limit exceeded               |
| 500  | Internal Server Error                                 |

### Request

* Method: `DELETE`
* Path: `/orders/limit/{orderId}`

#### Path parameters

| Parameter | Type   | Description               |
| --------- | ------ | ------------------------- |
| orderId   | string | ID of the order to cancel |

### Response

**Response** `200 OK` or `204 No Content`

The order is canceled if it is still active.