curl --request POST \
  --url https://api.hyperspell.com/daemon/heartbeat \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "user_key": "<string>",
  "daemon_version": "unknown",
  "last_sync_version": 0,
  "uptime_s": 0
}
'

{
  "ok": true
}