---
title: "Get topic name prefix"
slug: "datastream-gettopicprefix"
updated: 2026-09-17T09:47:59Z
published: 2026-09-17T09:47:59Z
canonical: "api.ncloud-docs.com/datastream-gettopicprefix"
---

> ## 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.

# Get topic name prefix

Available in VPC

Get a topic name prefix. A topic name prefix is a prefix that is automatically prefixed to the topic name when the topic is created, and is generated as a unique value for each account to prevent duplication.

## Request

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

| Method | URI |
| --- | --- |
| GET | /api/v1/topic-prefix |

### 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 example

The request example is as follows:

```
curl --location --request GET 'https://datastream.apigw.ntruss.com/api/v1/topic-prefix' \
--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 |
| --- | --- | --- | --- |
| `prefix` | String | - | Topic name prefix |

### 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:

```
{
    "prefix": "h4j6l-"
}
```