---
title: "createAddressBook"
slug: "ai-application-service-cloudoutboundmailer-createaddressbook"
tags: ["Cloud Outbound Mailer"]
updated: 2026-09-17T09:35:44Z
published: 2026-09-17T09:35:44Z
canonical: "api.ncloud-docs.com/ai-application-service-cloudoutboundmailer-createaddressbook"
---

> ## 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.

# createAddressBook

Available in Classic and VPC

Create an address book by entering recipient groups and addresses. The address book status right before creating an address book is returned as a response, and the creation task is processed asynchronously. You can also change the address book that was created. You can do this by adding a new address to an existing recipient group or creating a new recipient group.

## Request

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

| Method | URI |
| --- | --- |
| POST | /address-book |

### Request headers

For information about the headers common to all Cloud Outbound Mailer APIs, see [Cloud Outbound Mailer request headers](/docs/en/ai-application-service-cloudoutboundmailer#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

### Request body

You can include the following data in the body of your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `groups` | List | Required | Recipient group list - Group name: Enter 1-100 characters by combining Korean letters, English letters, numbers, and special characters ".", "-", and "_". - Email address: Separate by commas (,). - See [AddressBookRequest](/docs/en/common-vapidatatype-nesaddressbookrequest). |

### Request example

The request example is as follows:

```
curl --location --request POST 'https://mail.apigw.ntruss.com/api/v1/address-book' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}' \
--header 'Content-Type: application/json' \
--data-raw '{
  "groups":[
    {
      "groupName":"10",
      "emailAddresses":[
        "xxx@naver.com",
        ...
      ]
    },
    {
      "groupName":"Male",
      "emailAddresses":[
        "xxx@daum.net",
        ...
      ]
    }
  ]
}'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `totalAddressCount` | Integer | - | Total number of email addresses requested |
| `groups` | List | - | Recipient group list - See [AddressBookResponse](/docs/en/common-vapidatatype-nesaddressbookresponse). |

### Response status codes

For information about the HTTP status codes common to all Cloud Outbound Mailer APIs, see [Cloud Outbound Mailer response status codes](/docs/en/ai-application-service-cloudoutboundmailer#%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:

```
{
  "totalAddressCount": 4300,
  "groups": [
    {
      "sid": 155,
      "groupName": "10",
      "addressCount": 3900
    },
    {
      "sid": 159,
      "groupName": "Male",
      "addressCount": 1000
    }
  ]
}
```