Let's API Pulse is a Chrome add-on designed for developers to streamline the debugging process of Fetch/XHR requests. It features smart grouping to organize requests by path, enabling users to navigate and analyze their network data more efficiently. The tool also includes performance tracking capabilities that automatically flag slow requests, helping to quickly identify bottlenecks in web applications. Additionally, it detects duplicate requests to minimize unnecessary API calls, thus optimizing resource usage.

This add-on further enhances the developer experience by providing detailed inspection options for Request/Response Headers, Payloads, and response bodies. Users can easily generate fetch() code snippets from captured requests for quick testing and can export their findings in Markdown or JSON formats. Overall, Let's API Pulse simplifies the debugging workflow, making it an essential tool for maintaining healthy web applications.