Netbeez is a SaaS company that provides a real-time, distributed performance monitoring solution for LAN, WAN, and Wi-Fi networks, focusing on detecting issues before they affect users. The platform offers various monitoring capabilities like proactive detection, troubleshooting, and end-user experience monitoring through a set of network performance metrics accessible via a JSON API. Key functionalities include retrieving test results for multiple network performance tests such as ping, DNS, HTTP, and VoIP, enabling users to analyze network quality effectively.