# DeleteNetworkInterface

## 1. API Description

This API (DeleteNetworkInterface) is used to delete an elastic vNIC.

{% hint style="info" %} <mark style="color:blue;">**Note**</mark>

* <mark style="color:blue;">If the vNIC is attached to an instance, you need to detach it first before deleting it.</mark>
* <mark style="color:blue;">The primary vNIC can only be deleted along with the attached instance.</mark>
  {% endhint %}

## 2. Input Parameters

The following request parameter list only provides API request parameters.

| Parameter Name | Required | Type   | Description     |
| -------------- | -------- | ------ | --------------- |
| nicId          | Yes      | String | ID of the vNIC. |

## 3. Output Parameters

| Parameter Name | Type   | Description                                                                                                           |
| -------------- | ------ | --------------------------------------------------------------------------------------------------------------------- |
| requestId      | String | <p>The unique request ID, which is returned for each request.</p><p>RequestId is required for locating a problem.</p> |

## 4. Code Example

{% tabs %}
{% tab title="Example" %}
**Delete the vNIC.**

<pre class="language-json"><code class="lang-json"><strong>POST /api/v2/zec HTTP/1.1
</strong>Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: DeleteNetworkInterface


Request:
{
  "nicId": "XXX"
}

Response:
{
  "requestId": "TBFC01FCF-6439-4530-ADBC-16809F0C3E8F",
  "response": {
    "requestId": "TBFC01FCF-6439-4530-ADBC-16809F0C3E8F"
  }
}
</code></pre>

{% endtab %}
{% endtabs %}

## 5. Developer Resources

Zenlayer Cloud API 2.0 integrates [SDKs](/api-reference/api-introduction/toolkit/api-sdk.md)，to make it easier for you to call APIs. More programming languages will be supported.

## 6. Error Codes

The following only lists the error codes related to the API business logic. For other error codes, see [Common Error Codes](/api-reference/api-introduction/instruction/commonerrorcode.md).

| HTTP Status Code | Error Code                          | Description                                       |
| ---------------- | ----------------------------------- | ------------------------------------------------- |
| 400              | INVALID\_NIC\_ATTACHED              | The vNIC has attached to an instance already.     |
| 409              | INVALID\_NIC\_PRIMARY\_CANT\_DELETE | The primary vNIC cannot be deleted.               |
| 400              | INVALID\_NIC\_STATUS                | Current vNIC state does not allow this operation. |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.console.zenlayer.com/api-reference/compute/zec/vnic/deletenetworkinterface.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.