---
title: "PUT /api/vpn-instances/{id}/certificate-authorities/{certificateId}"
method: PUT
path: "/api/vpn-instances/{id}/certificate-authorities/{certificateId}"
tags: ["VpnEnvironmentResources"]
---

# PUT /api/vpn-instances/{id}/certificate-authorities/{certificateId}

`PUT /api/vpn-instances/{id}/certificate-authorities/{certificateId}`

## Request

- Base URL: `https://api-admin.hackgate.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api-admin.hackgate.io/api/vpn-instances/{id}/certificate-authorities/{certificateId}`
- Auth: HTTP bearer

## Path parameters

- `id` string, required
- `certificateId` string, required

## Request body

- VpnCertificateRequest
  - `name` string, required
  - `pem` string, required

## Response `200`

OK

- VpnCertificateAuthorityDto
  - `id` string, nullable
  - `name` string, nullable
  - `sha256Fingerprint` string, nullable
  - `notBefore` string, date-time
  - `notAfter` string, date-time
  - `version` integer
  - `isCurrent` boolean
  - `replacedAt` string, date-time, nullable
  - `createdAt` string, date-time

## Changes

- **2026-09-19** `378d74580c23`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/hackgate/apis/hackgate-admin-api/changes/api/vpn-instances/:id/certificate-authorities/:certificateId/put.md)

---

[API](https://skmtc.dev/hackgate/apis/hackgate-admin-api.md) - [All operations](https://skmtc.dev/hackgate/apis/hackgate-admin-api/llms.txt) - [OpenAPI document](https://skmtc.dev/hackgate/apis/hackgate-admin-api/revisions/4001be3c2ed0?raw)