Twilio Monitor offers detailed visibility into Twilio operations and applications, allowing users to visualize and examine relevant data. It provides a REST resource called Events that gathers granular details of phone number history, including creation, deletion, and updates. This feature enables users to track changes, audit numbers, and store data for as long as needed. With Monitor, users can access event logs, filter events by resource SID, and query for specific information such as event date, actor SID, and event type. The tool also allows users to dynamically fetch event information, correlate data from other internal systems, and troubleshoot applications more efficiently.