# AssignSecurityGroupVpc

## 1. API Description

This API (AssignSecurityGroupVpc) is used to associate a VPC to a security group.

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

* <mark style="color:blue;">A VPC can be associated with only one security group. This API will rebind the VPC from its current security group to the specified one.</mark>
* <mark style="color:blue;">Rebinding the VPC’s security group will not affect the security groups already bound to the network interfaces under the VPC.</mark>
  {% endhint %}

## 2. Input Parameters

The following request parameter list only provides API request parameters.

| Parameter Name  | Required | Type   | Description        |
| --------------- | -------- | ------ | ------------------ |
| vpcId           | Yes      | String | VPC ID.            |
| securityGroupId | Yes      | String | Security group ID. |

## 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" %}
**Associate a VPC to a security group.**

```json
POST /api/v2/zec HTTP/1.1
Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: AssignSecurityGroupVpc
<Common Request Params>

Request：
{
  "vpcId": "your-vpc-id",
  "securityGroupId": "your-security-group-id"
}

Response：
{
  "requestId": "T05992D0C-7E8B-4047-B0C0-780F2CD549D3",
  "response": {
    "requestId": "T05992D0C-7E8B-4047-B0C0-780F2CD549D3"
  }
}
```

{% 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                                  |
| ---------------- | ------------------------------------ | -------------------------------------------- |
| 404              | INVALID\_SECURITY\_GROUP\_NOT\_FOUND | The specified security group does not exist. |


---

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