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.
To catch https:
- After enabling proxy on device
- Go to chls.pro/ssl
- This downloads a certificate. Install it on device