---
title: "Change schema registry settings"
slug: "datastream-updateregistryconfig"
updated: 2026-09-17T09:47:59Z
published: 2026-09-17T09:47:59Z
canonical: "api.ncloud-docs.com/datastream-updateregistryconfig"
---

> ## 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.

# Change schema registry settings

Available in VPC

Update schema's compatibility settings.

              Note

              

You can configure the schema's compatibility policy. When compatibility is enabled, compatibility checks against existing schemas are performed when registering new schemas.

## Request

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

| Method | URI |
| --- | --- |
| PUT | /api/v1/topics/{topicId}/registry-config |

### 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 body

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

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `compatibility` | Boolean | Required | Schema compatibility activation - `true`: Enable compatibility check (BACKWARD). - `false`: Disable compatibility check (NONE). |

### Request example

The request example is as follows:

```
curl --location --request PUT 'https://datastream.apigw.ntruss.com/api/v1/topics/mgNWA*****/registry-config' \
--header 'Content-Type: application/json' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}' \
--data '{
  "compatibility": true
}'
```

## Response

This section describes the response format.

### 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

If the compatibility settings are successfully updated, there is no response body, and a status code 200 is returned.

```
HTTP/1.1 200 OK
```