1. https://mitmproxy.org/
2. http://docs.mitmproxy.org/en/stable/transparent/osx.html
3. https://crypto.stanford.edu/ssl-mitm/
4. http://liuxiang.logdown.com/posts/192057-use-mitmproxy-to-monitor-http-requests
5. http://greenrobot.me/devpost/how-to-debug-http-and-https-traffic-on-android/

brew install python
brew install mitmproxy
mitmproxy -p 8888

mitmproxy -a IP_ADDR -p PORT —-no-upstream-cert

This doesn't work

sudo -H pip install --ignore-installed mitmproxy