---
title: "Get schema list"
slug: "datastream-getschemas"
updated: 2026-09-17T09:47:59Z
published: 2026-09-17T09:47:59Z
canonical: "api.ncloud-docs.com/datastream-getschemas"
---

> ## 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 schema list

Available in VPC

Get the list of schemas registered in a topic.

## Request

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

| Method | URI |
| --- | --- |
| GET | /api/v1/topics/{topicId}/schemas |

### 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 path parameters

You can use the following path parameters with your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `topicId` | String | Required | Topic ID - See [Get topic list](/docs/en/datastream-gettopic). |

### Request query parameters

You can use the following query parameters with your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `schemaType` | String | Optional | Schema type - `AVRO` \| `JSON` \| `PROTOBUF` - If not specified, query all schema types. |
| `schemaId` | Number | Optional | Schema registry ID - Filter by a specific schema registry ID. |
| `page` | Number | Optional | Page number (start from 0, default: 0) |
| `size` | Number | Optional | Page size (default: 10) |

### Request example

The request example is as follows:

```
curl --location --request GET 'https://datastream.apigw.ntruss.com/api/v1/topics/mgNWA*****/schemas?schemaType=AVRO&page=0&size=10' \
--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 |
| --- | --- | --- | --- |
| `schemas` | Array | - | [Schema list](/docs/en/datastream-getschemas#schemas) |
| `totalCount` | Number | - | Total schema count |
| `pageNo` | Number | - | Current page number |
| `pageSize` | Number | - | Page size |

#### `schemas`

The following describes `schemas`.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `resourceId` | String | - | Schema resource ID - Use for individual schema queries and deletions. |
| `schemaId` | Number | - | Schema ID |
| `schemaType` | String | - | Schema type - `AVRO` \| `JSON` \| `PROTOBUF` |
| `version` | Number | - | Schema version |
| `createdDate` | String | - | Schema creation 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:

```
{
  "schemas": [
    {
      "resourceId": "schema-1",
      "schemaId": 1,
      "schemaType": "AVRO",
      "version": 1,
      "createdDate": "2024-01-01T10:00:00Z"
    },
    {
      "resourceId": "schema-2",
      "schemaId": 2,
      "schemaType": "JSON",
      "version": 2,
      "createdDate": "2024-01-01T11:00:00Z"
    }
  ],
  "totalCount": 2,
  "pageNo": 0,
  "pageSize": 10
}
```