Charles Proxy is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a user to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information). It is commonly used by developers to debug web applications and APIs, inspecting the network traffic to understand how the server and client communicate, as well as to identify issues like slow performance, incorrect headers, and malformed requests/responses.
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