curl --request POST \
  --url http://localhost:9001/api/v1/accounts/{account_id}/users/{user_id}/keys \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "key_name": "Production API Key",
  "scopes": [
    "read",
    "write"
  ]
}
'

{
  "success": true,
  "data": {
    "id": "apikey-abc123-v1",
    "key_name": "Production API Key",
    "raw_key": "aion_sk_live_abc123xyz789...",
    "scopes": [
      "read",
      "write"
    ],
    "created_at": "2023-11-07T05:31:56Z"
  }
}