Creates a Key

POST /profiles/keys

Creates a new policy signing key for the authenticated user.

Authentication: Bearer token required (Authorization: Bearer <token>)

Permission: Permissions.PROFILES_USER_UPDATE

---

Request

Request Body

{
  "messageId": "1234567890.123456789",
  "key": "ed25519"
}

Field	Type	Required	Description
messageId	string	Yes	Hedera message ID to associate with this key
key	string	No	Key type (e.g. ed25519)

---

Response

Success Response

Status: 200 OK

{
  "id": "63e3e5e8a01b3c001234abcd",
  "messageId": "1234567890.123456789",
  "key": "ed25519",
  "policyId": "63e3e5e8a01b3c001234abce",
  "policyName": "Example Policy"
}

Error Responses

Status	Description
401 Unauthorized	Missing or invalid token
403 Forbidden	Insufficient permissions
422 Unprocessable Entity	Body or messageId is empty
500 Internal Server Error	Unexpected server failure