---
title: "Changes to Activate a signing key"
method: POST
path: "/v1/kms/issuers/{issuerId}/keys/{keyId}/activate"
---

# Changes to Activate a signing key

`POST /v1/kms/issuers/{issuerId}/keys/{keyId}/activate`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 171 revisions.

- **2026-09-24** `dd6a90982ed0`: 1 info
- **2026-08-19** `6b6e0450635c`: 1 info

## Changes

- **2026-09-24** `dd6a90982ed0`: 1 info
  - the response property `publicKeyFingerprint` became required for the status `200`
- **2026-08-19** `6b6e0450635c`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/vercel/apis/vercel-api/docs/v1/kms/issuers/:issuerId/keys/:keyId/activate/post.md) - [API](https://skmtc.dev/vercel/apis/vercel-api.md) - [Page](https://skmtc.dev/vercel/apis/vercel-api/changes/v1/kms/issuers/:issuerId/keys/:keyId/activate/post)