---
title: "Undelete a dek version"
method: POST
path: "/dek-registry/v1/keks/{name}/deks/{subject}/versions/{version}/undelete"
tags: ["Data Encryption Keys (v1)"]
---

# Undelete a dek version

`POST /dek-registry/v1/keks/{name}/deks/{subject}/versions/{version}/undelete`

## Request

- Base URL: `https://psrc-00000.region.provider.confluent.cloud`
- URL: `https://psrc-00000.region.provider.confluent.cloud/dek-registry/v1/keks/{name}/deks/{subject}/versions/{version}/undelete`
- Auth: one of:
  - HTTP basic
  - OAuth 2
    - Client credentials
    - Token URL: `https://api.confluent.cloud/sts/v1/oauth2/token`

## Path parameters

- `name` string, required
- `subject` string, required
- `version` string, required

## Query parameters

- `algorithm` 'AES128_GCM' | 'AES256_GCM' | 'AES256_SIV'

## Response `204`

No Content

## Other responses

- `404`: Not found. Error code 40470 -- Key not found. Error code 40472 -- Key must be undeleted.
- `422`: Unprocessable entity. Error code 42202 -- Invalid version. Error code 42271 -- Invalid key.

---

[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)