---
title: "Batch Alter Topic Configs"
method: POST
path: "/kafka/v3/clusters/{cluster_id}/topics/{topic_name}/configs:alter"
tags: ["Configs (v3)"]
---

# Batch Alter Topic Configs

`POST /kafka/v3/clusters/{cluster_id}/topics/{topic_name}/configs:alter`

## Request

- Base URL: `https://pkc-00000.region.provider.confluent.cloud`
- URL: `https://pkc-00000.region.provider.confluent.cloud/kafka/v3/clusters/{cluster_id}/topics/{topic_name}/configs:alter`
- Auth: one of:
  - HTTP basic
  - OAuth 2
    - Client credentials
    - Token URL: `https://api.confluent.cloud/sts/v1/oauth2/token`

[![Generally Available](https://img.shields.io/badge/Lifecycle%20Stage-Generally%20Available-%2345c6e8)](#section/Versioning/API-Lifecycle-Policy)

Update or delete a set of topic configuration parameters.
Also supports a dry-run mode that only validates whether the operation would succeed if the
``validate_only`` request property is explicitly specified and set to true.

## Request body

- AlterConfigBatchRequestData
  - `data` object[], required
    - `name` string, required
    - `value` string, nullable
    - `operation` string, nullable
  - `validate_only` boolean

## Response `204`

No Content

## Other responses

- `400`: Indicates a bad request error. It could be caused by an unexpected request body format or other forms of request validation failure.
- `401`: Indicates a client authentication error. Kafka authentication failures will contain error code 40101 in the response body.
- `403`: Indicates a client authorization error. Kafka authorization failures will contain error code 40301 in the response body.
- `404`: Indicates attempted access to an unreachable or non-existing resource like e.g. an unknown topic or partition. GET requests to endpoints not allowed in the accesslists will also result in this response.
- `429`: Indicates that a rate limit threshold has been reached, and the client should retry again later.
- `5XX`: A server-side problem that might not be addressable from the client side. Retriable Kafka errors will contain error code 50003 in the response body.

---

[API](https://skmtc.dev/confluent/apis/confluent-cloud-apis.md) - [All operations](https://skmtc.dev/confluent/apis/confluent-cloud-apis/llms.txt) - [OpenAPI document](https://skmtc.dev/confluent/apis/confluent-cloud-apis/revisions/018ddeaf203e?raw)