---
title: "Schema registry"
slug: "datastream-topic05-vpc"
updated: 2026-09-17T09:18:20Z
published: 2026-09-17T09:18:20Z
canonical: "guide.ncloud-docs.com/datastream-topic05-vpc"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Schema registry

Available in VPC

You can integrate schemas from the **Topic** menu. You can define and manage the schema for the message value in the schema registry.

## Schema registry setting

You can change schema registry settings. You can change the settings after creating the schema. When no schema exists, **[Settings]** button is disabled.

1. In the VPC environment of the NAVER Cloud Platform console, navigate to **Menu** > **All Services** > **Big Data & Analytics** > **Data Stream**.
2. Click the **Topic** menu.
3. In the topic list, click **View service details**.
4. On the topic details interface, click the **[Schema registry]** tab menu.
5. Click **[Settings]**.
  - **Settings**
    - **Active**: You can register a schema only if it is compatible with the previous schema version. After configuration, checks compatibility with the previous version (BACKWARD).
    - **Inactive**: You can register a schema even if it is not compatible with the previous schema version. If incompatible data is imported after setting, the data may not be processed.
  - **Compatibility**: Set whether to enable compatibility checks for message Value.

## View schema registry information

You can view the schema registry information.

- **Access endpoint**: The network address that can be used when integrating with schemas through Kafka Client

## Create schema

To create a schema:

1. In the VPC environment of the NAVER Cloud Platform console, navigate to **Menu** > **All Services** > **Big Data & Analytics** > **Data Stream**.
2. Click the **Topic** menu.
3. In the topic list, click **View service details**.
4. On the topic details interface, click the **[Schema registry]** tab menu.
5. Click **[Add]**.
6. Enter basic information.
  - **Basic information**
    - **Data type**: Specify the method for serializing or deserializing the message value.
      - Specify the method the producer uses to serialize the message value.
      - Specify the method the consumer uses to deserialize the received byte data back into a value object.
      - You can use AVRO, JSON, and PROTOBUF.
    - **Schema**: Enter the schema to register. Enter within 1 MB.
    - **Compatibility validation**: Check the compatibility between the schema you entered and the previous version of the schema (BACKWARD).
7. Click **[Complete]**.

The created schema is displayed in the schema list.

## Check schema information

To see a schema's information:

1. In the VPC environment of the NAVER Cloud Platform console, navigate to **Menu** > **All Services** > **Big Data & Analytics** > **Data Stream**.
2. Click the **Topic** menu.
3. In the topic list, click **View service details**.
4. On the topic details interface, click the **[Schema registry]** tab menu.
5. Click the schema ID.
6. Check the required information.
  - **ID**: The unique ID of the schema.
  - **Version**: The history registered within the schema registry.
  - **Data type**: Method for serializing or deserializing the message value.
  - **Schema**: Check the registered schema.

## Delete schema

To delete a schema:

1. In the VPC environment of the NAVER Cloud Platform console, navigate to **Menu** > **All Services** > **Big Data & Analytics** > **Data Stream**.
2. Click the **Topic** menu.
3. In the topic list, click **View service details**.
4. On the topic details interface, click the **[Schema registry]** tab menu.
5. Select the schema version you want to delete.
6. Click **[Delete]**.
7. Check the details when the **notification** popup appears, and then click **[Delete]**.

The deleted schema version disappears from the schema list.