{"message":"IP Info API","version":"3.0.0","endpoints":{"ip_info":"GET /ip?ip=8.8.8.8 (API key required)","bulk_ip_info":"GET /bulk-ip?ips=1.1.1.1,8.8.8.8 or POST {\"ips\":[...]} (API key required)","dashboard":"/dashboard","metrics":"/metrics (add ?format=prometheus for Prometheus text)","health":"/health"},"auth":"Send your key as X-API-Key header, Authorization: Bearer <key>, or ?key="}