Live API Inspector is a free Chrome add-on designed for real-time monitoring of network and API requests on any webpage. This tool eliminates the need for traditional DevTools, allowing users to see all API activities as they occur. Key features include the ability to view detailed request information such as URL, method, headers, and payloads, as well as response data presented in syntax-highlighted JSON format. Users can also filter requests by method and type, making it easier to identify specific activities or issues.

In addition to monitoring, Live API Inspector offers a range of functionalities to enhance user experience. Users can instantly search through requests, expand details for any request, and replay requests with a single click. The tool also allows copying of request and response data directly to the clipboard and features a resizable detail panel for improved accessibility. This add-on is particularly beneficial for developers and QA testers seeking insights into application behavior.