---
title: "Check IP ACL name"
slug: "validate-ip-acl-name"
updated: 2026-09-17T10:05:35Z
published: 2026-09-17T10:05:35Z
canonical: "api.ncloud-docs.com/validate-ip-acl-name"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Check IP ACL name

Available in Classic and VPC

Check validity and duplication status of a IP ACL name to use.

## Request

This section describes the request format. The method and URI are as follows:

| Method | URI |
| --- | --- |
| GET | /api/v1/ip-acls/check-ip-acl-name |

### Request headers

For information about the headers common to all Ncloud Single Sign-On APIs, see [Ncloud Single Sign-On request headers](/docs/en/single-sign-on-overview#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

### Request query parameters

You can use the following query parameters with your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `ipAclName` | String | Optional | IP ACL name - Enter 2-30 characters by combining English letters, numbers, and special characters "-" and "_". - It must start with an English letter or a number. |

### Request example

The request example is as follows:

```
curl --location --request GET 'https://sso.apigw.ntruss.com/api/v1/ip-acls/check-ip-acl-name?ipAclName=ipacl000' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `name` | String | - | IP ACL name |
| `success` | Boolean | - | IP ACLname check result - `true` \| `false` - `true`: Available name - `false`: Unavailable name |
| `message` | String | - | Reason for unavailability - Display if `success` is `false` |

### Response status codes

For information about the HTTP status codes common to all Ncloud Single Sign-On APIs, see [Ncloud Single Sign-On response status codes](/docs/en/single-sign-on-overview#%EC%9D%91%EB%8B%B5%EC%83%81%ED%83%9C%EC%BD%94%EB%93%9C).

### Response example

The response example is as follows:

#### If check result is available name

The following is a sample response if the check result is an available name.

```
{
    "name": "ipacl000",
    "success": true
}
```

#### If check result is unavailable name

The following is a sample response if the check result is an unavailable name.

- If IP ACL name already exists

```
{
    "name": "ipacl000",
    "success": false,
    "message": "The IP ACL name already exists."
}
```
- If IP ACL name is invalid

```
{
    "name": "^ipacl000",
    "success": false,
    "message": "Only English letters, numbers, and special characters (-_) are allowed, and it must start with an English letter or a number."
}
```