Latest Articles

View localhost traffic

If you are developing something on your local machine you may like to the ability to view your traffic in Charles. In this tutorial we will show you how to proxy your localhost traffic through Charles Prerequisite Install Charles Make sure you have setup the Charles Root certificate on your Mac before you proceed to the next stepContinue reading “View localhost traffic”

Rewrite – Modify elements in the Response body

The Rewrite feature lets you automatically change elements of a Request or Response each time they meet a predefined set of rules. In this tutorial, with a simple Regular expression, we will pinpoint specific properties in the Response and then use the Rewrite tool to automatically modify their values. When mocking data, it’s always bestContinue reading “Rewrite – Modify elements in the Response body”

No Caching

This feature gives you the ability to force your app/website to get the latest version of a resource from the server, instead of getting a cached one. This tutorial will show you how to use the No Caching feature to force your browser to get the latest version of a NY Times from their serversContinue reading “No Caching”

Map Local

This is a great tool if you want to quickly swap a hosted image, file, PDF, etc. with a locally stored one. This is useful if you don’t want to or don’t have time to rebuild and deploy a new instance of your application. In this tutorial we are going to swap an image hostedContinue reading “Map Local”

Focused Hosts

The Focused Hosts feature is a great way of quickly filtering out all the traffic you are not interested in. If you combine Focused Hosts with the Filter textfield you can filter on an already filtered result. The more traffic you have to deal with, the more useful this feature becomes This tutorial will showContinue reading “Focused Hosts”

SSL Proxying Settings

It is really important that you understand what should be included and excluded from your SSL proxy settings. If you attempt decrypt all network traffic, by entering * as the Host value, websites and applications on your machine will eventually start throwing errors! The * character causes side effects! By entering the * character intoContinue reading “SSL Proxying Settings”

Map Remote

This feature is really useful if you want to point your application to a different environment. This can be useful if, for example, you are debugging a Production issue and you need to quickly point your Prod build to a non-Prod environment but want to avoid rebuilding and redeploying the application. It can be aContinue reading “Map Remote”

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