---
title: "Create an ACL"
method: POST
path: "/clusters/{cluster_id}/acls"
tags: ["ACL (v3)"]
---

# Create an ACL

`POST /clusters/{cluster_id}/acls`

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

Create an ACL.

## Request body

- CreateAclRequestData
  - `resource_type` 'UNKNOWN' | 'ANY' | 'TOPIC' | 'GROUP' | 'CLUSTER' | 'TRANSACTIONAL_ID' | 'DELEGATION_TOKEN', required
  - `resource_name` string, required
  - `pattern_type` string, required
  - `principal` string, required
  - `host` string, required
  - `operation` string, required
  - `permission` string, required

## Response `201`

Created

## 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.
- `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.

## Changes

- **2023-08-08** (v3) `25e5259d1722` — 1 breaking, 2 info
  - removed the media type `text/plain` for the response with the status `400`
  - api operation id `createKafkaV3Acls` removed and replaced with `createKafkaAcls`
  - added the non-success response with the status `403`
- **2023-08-08** (v3) `1be42847ed21` — 3 info
  - api operation id `createKafkaAcls` removed and replaced with `createKafkaV3Acls`
  - added the media type `text/plain` for the response with the status `400`
  - removed the non-success response with the status `403`
- **2023-03-10** (v3) `bb1cdf42f052` — 1 breaking, 2 info
  - removed the media type `text/plain` for the response with the status `400`
  - api operation id `createKafkaV3Acls` removed and replaced with `createKafkaAcls`
  - added the non-success response with the status `403`
- **2022-03-22** (v3) `7500cc59fcff` — 22 breaking, 6 info
  - removed the enum value `ALL` of the request property `operation`
  - removed the enum value `ALLOW` of the request property `permission`
  - removed the enum value `ALTER` of the request property `operation`
  - removed the enum value `ALTER_CONFIGS` of the request property `operation`
  - …24 more
- …earlier changes not shown

[Full history](https://skmtc.dev/confluentinc/apis/rest-admin-api/changes/clusters/:cluster_id/acls/post.md)

---

[API](https://skmtc.dev/confluentinc/apis/rest-admin-api.md) · [All operations](https://skmtc.dev/confluentinc/apis/rest-admin-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/confluentinc/rest-admin-api/revisions/25e5259d1722/schema)