---
title: "Delete host DH-HMAC-CHAP key"
method: PUT
path: "/api/nvmeof/subsystem/{nqn}/host/{host_nqn}/del_key"
tags: ["NVMe-oF Subsystem Host Allowlist"]
---

# Delete host DH-HMAC-CHAP key

`PUT /api/nvmeof/subsystem/{nqn}/host/{host_nqn}/del_key`

## Request

- Base URL: `/` (relative, and the document was published on a file host, not at the API’s origin)
- URL: `/api/nvmeof/subsystem/{nqn}/host/{host_nqn}/del_key`
- Auth: HTTP bearer

## Path parameters

- `nqn` string, required
- `host_nqn` string, required

## Request body

- object
  - `gw_group` string: NVMeoF gateway group
  - `server_address` string: NVMeoF gateway address
  - `traddr` string: NVMeoF gateway address (deprecated)

## Response `200`

Resource updated.

- object

## Other responses

- `202`: Operation is still executing. Please check the task queue.
- `400`: Operation exception. Please check the response body for details.
- `401`: Unauthenticated access. Please login first.
- `403`: Unauthorized access. Please check your permissions.
- `500`: Unexpected error. Please check the response body for the stack trace.

## Changes

- **2026-04-22** `80621ef9e08f`: 1 info
  - added the new optional request property `traddr`
- **2026-04-22** `0c411b20b475`: 1 warning
  - removed the request property `traddr`
- **2026-04-21** `077e18c029a1`: 1 info
  - added the new optional request property `traddr`
- **2026-04-21** `7da500e7e136`: 1 warning
  - removed the request property `traddr`
- **2026-04-20** `a22268946bcf`: 1 info
  - added the new optional request property `traddr`

[Operation history](https://skmtc.dev/ceph/apis/ceph-rest-api/changes/api/nvmeof/subsystem/:nqn/host/:host_nqn/del_key/put.md)

---

[API](https://skmtc.dev/ceph/apis/ceph-rest-api.md) - [All operations](https://skmtc.dev/ceph/apis/ceph-rest-api/llms.txt) - [OpenAPI document](https://skmtc.dev/ceph/apis/ceph-rest-api/revisions/56cc950e3e37?raw)