HTTP proxies are an essential tool in your development process. It’ll speed up your dev/testing cycle and give you a greater understanding of what’s coming from and to your mobile app or SDK. This talk is aimed at mobile developers and tester building apps that communicate with to API backend. Likely some of you have used HTTP proxies such as this before but here we’ll dig deeper at all the features on offer e.g rewriting and remapping request and responses, basic load testing and SSL proxying and more. I’ll cover real world tips, gotches and how to setup your local environment for iOS and Android. The demos and walkthroughs will use Charles Web Proxy but the techniques are applicable to other free/open source web proxies. Leave the talk with a new essential tool in your Mobile development and testing arsenal!