You could install Charles – an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet – on your PC or MAC.
Config steps:
- Let your phone and PC or MAC in a same LAN
- Launch Charles which you installed (default proxy port is 8888)
- Setup your phone’s wifi configuration: set the ip of delegate to your PC or MAC’s ip, port of delegate to 8888
- Lauch your app in your phone. And monitor http requests on Charles.