---
title: "Register/rotate Ed25519 identity key"
method: PUT
path: "/api/im/keys/identity"
tags: ["IM-Signing"]
---

# Register/rotate Ed25519 identity key

`PUT /api/im/keys/identity`

## Request body

- object
  - `publicKey` string, required — Base64-encoded Ed25519 public key
  - `derivationMode` 'generated' | 'derived'

## Response `200`

Key registered with attestation

---

[API](https://skmtc.dev/prismer-ai/apis/prismer-cloud-api.md) · [All operations](https://skmtc.dev/prismer-ai/apis/prismer-cloud-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/prismer-ai/prismer-cloud-api/revisions/7fef0836d17f/schema)