In order to to capture the HTTP/HTTPS message in iOS devices, please navigate to:
Certificate Menu -> Install Certificate on iOS Devices
The following photo describes thee steps:
Install Root Proxyman Certificate on your machine: You can follow the macOS Guide.
Config the HTTP Proxy on your device: You can find it in Setting app -> Wifi -> Select the current Wifi -> Config the HTTP Proxy by following the next tables.
Your current IP Network
The current port of Proxyman: 9090 is default
3. Open http://proxy.man/ssl from Safari browser on your iOS Devices in order to install the Proxyman Certificate.
4. From iOS 10.3, we have to explicitly install & trust the Proxyman CA in Setting app
iOS ≥ 10.3: Setting app > General > Profiles > Select Proxyman CA > Install
iOS ≥ 12.2: Setting app > Profiles Downloaded > Select Proxyman CA > Install
Setting app > General > About > Certificate Trust Settings > Switch ON on Proxyman CA.
After the installation, we can start capture and view HTTPS message by following SSL Proxying Doc
See detailed steps on how to debug an application on iOS device with Proxyman.