---
title: "Unmount topics to object storage"
method: POST
path: "/v1/cloud-storage/topics/unmount"
tags: ["Cloud Storage"]
---

# Unmount topics to object storage

`POST /v1/cloud-storage/topics/unmount`

Unmount topics to object storage, freeing up all local cluster resources. Once you unmount a topic, it can no longer be consumed or produced to. It detaches from the active cluster while its data remains safely stored in the external object storage.

## Request body

- string[]

## Response `200`

OK

- UnmountTopicsResponse
  - `mount_task_id` integer

## Other responses

- `401` — Unauthenticated.
- `404` — Not Found
- `500` — Internal Server Error. Reach out to support.
- `default` — An unexpected error response.

---

[API](https://skmtc.dev/redpanda-data/apis/redpanda-cloud-data-plane-api.md) · [All operations](https://skmtc.dev/redpanda-data/apis/redpanda-cloud-data-plane-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/redpanda-data/redpanda-cloud-data-plane-api/revisions/7eef0bcc42e7/schema)