curl --request GET \
  --url https://api.example.com/v1/openclaw/{instance_id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "name": "<string>",
  "state": "creating",
  "start_ts": 123,
  "state_ts": 123,
  "stop_ts": 123,
  "data_disk_size_gb": 123,
  "price_per_hour": 123,
  "region": "<string>",
  "last_backup_ts": 123,
  "ssh_port": 123,
  "fail_reason": "<string>",
  "public_ip": "<string>"
}