> For the complete documentation index, see [llms.txt](https://ajaib.gitbook.io/ajaib-exchange-open-api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ajaib.gitbook.io/ajaib-exchange-open-api/websocket-references/authentication/invalidate-listen-key.md).

# Invalidate Listen Key

<mark style="color:red;">`DELETE`</mark> `/auth/v1/listen-key`

**Headers**

| Name         | Value                               |
| ------------ | ----------------------------------- |
| Content-Type | `application/x-www-form-urlencoded` |
| X-MBX-APIKEY | \<User API Key>                     |

#### URL Parameters

| Name        | Description |
| ----------- | ----------- |
| `listenKey` | Listen Key  |

**Response**

{% tabs %}
{% tab title="200" %}

```json
{
  "listenKey": "<THIS_IS_THE_INVALIDATED_LISTEN_KEY>"
}
```

{% endtab %}
{% endtabs %}