Similar to the Interceptor Chrome extension, the Postman app proxy also INTERCEPTS and captures your requests. The server returns a response through the Postman proxy back to the client.
Postman has a proxy in the Postman app that captures the HTTP request. Note: for the Postman native apps, request captures over HTTPS will not work if the website has HSTS enabled. You can use the built-in proxy in the Postman native apps or use the Interceptor extension for the Postman Chrome app. Postman gives you tools to see and capture this network traffic easily.
In some cases, you might discover APIs that are not even documented. If you are using APIs to build client-side applications - mobile apps, websites or desktop applications - you might want to see the actual HTTP request traffic that is being sent and received in the application.
