---
title: "Create topic"
slug: "datastream-posttopic"
updated: 2026-09-17T09:47:59Z
published: 2026-09-17T09:47:59Z
canonical: "api.ncloud-docs.com/datastream-posttopic"
---

> ## 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.

# Create topic

Available in VPC

Create a topic.

## Request

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

| Method | URI |
| --- | --- |
| POST | /api/v1/topics |

### Request headers

For information about the headers common to all Data Stream APIs, see [Data Stream request headers](/docs/en/datastream-overview#%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 |
| --- | --- | --- | --- |
| `name` | String | Required | Topic name - Enter in prefix-name format. - Enter up to 200 characters by combining lowercase English letters, numbers, and special character "-". - See [Get topic name prefix](/docs/en/datastream-gettopicprefix). - e.g, if the topic name prefix is `h4j6l-` and the name to set is `ds001`: Enter as `h4j6l-ds001`. |
| `description` | String | Optional | Topic description (up to 200 characters) |
| `partitions` | Number | Optional | Number of topic partitions - 1-16 (default: 1) |
| `retentionMs` | Number | Optional | Topic partition message retention period (millisecond) - 3600000-1296000000 (default: 86400000) |

### Request example

The request example is as follows:

```
curl --location --request POST 'https://datastream.apigw.ntruss.com/api/v1/topics' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}' \
--data '{
    "name": "h4j6l-ds001",
    "description": "Data Stream Topic",
    "partitions": 1,
    "retentionMs": 86400000
}'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `topicId` | String | - | Topic ID |
| `topicName` | String | - | Topic name |
| `description` | String | - | Topic description |
| `partitions` | Number | - | Number of topic partitions |
| `retentionMs` | Number | - | Topic partition message retention period (millisecond) |
| `status` | String | - | Topic status - `CREATING` \| `CREATED` - `CREATING`: Topic being created - `CREATED`: Topic creation completed (active) |
| `tcpEndpoint` | String | - | TCP endpoint |
| `createdDate` | String | - | Topic creation date and time - ISO 8601 format - `YYYY-MM-DDThh:mm:ssZ` |
| `updatedDate` | String | - | Topic modification date and time - ISO 8601 format - `YYYY-MM-DDThh:mm:ssZ` |

### Response status codes

For information about the HTTP status codes common to all Data Stream APIs, see [Data Stream response status codes](/docs/en/datastream-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:

```
{
    "topicId": "jkH8v*****",
    "topicName": "h4j6l-ds001",
    "description": "Data Stream Topic",
    "partitions": 1,
    "retentionMs": 86400000,
    "status": "CREATED",
    "tcpEndpoint": "sample-cluster.datastream.naverncp.com:{PORT}",
    "createdDate": "2025-05-28T17:29:21Z",
    "updatedDate": "2025-05-28T17:29:21Z"
}
```