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What is Charles?

Charles is a web proxy (HTTP Proxy / HTTP Monitor) that runs on your own computer. Your web browser (or any other Internet application) is then configured to access the Internet through Charles, and Charles is then able to record and display for you all of the data that is sent and received.
Charles is a tool in the API Tools category of a tech stack.

Who uses Charles?

Companies
19 companies reportedly use Charles in their tech stacks, including Adorama, Freemake, and Android.

Developers
43 developers on StackShare have stated that they use Charles.

Why developers like Charles?

Here’s a list of reasons why companies and developers use Charles
Top Reasons
Be the first to leave a pro

Charles's Features

  • SSL Proxying – view SSL requests and responses in plain text
  • Bandwidth Throttling to simulate slower Internet connections including latency
  • AJAX debugging – view XML and JSON requests and responses as a tree or as text
  • AMF – view the contents of Flash Remoting / Flex Remoting messages as a tree
  • Repeat requests to test back-end changes
  • Edit requests to test different inputs
  • Breakpoints to intercept and edit requests or responses
  • Validate recorded HTML, CSS and RSS/atom responses using the W3C validator

Charles Alternatives & Comparisons

What are some alternatives to Charles?
Postman
Postman is the only complete API development environment, used by nearly five million developers and more than 100,000 companies worldwide.
Amazon API Gateway
Amazon API Gateway handles all the tasks involved in accepting and processing up to hundreds of thousands of concurrent API calls, including traffic management, authorization and access control, monitoring, and API version management.
Insomnia REST Client
Insomnia is a powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.
Paw
Paw is a full-featured and beautifully designed Mac app that makes interaction with REST services delightful. Either you are an API maker or consumer, Paw helps you build HTTP requests, inspect the server's response and even generate client code.
Runscope
Keep tabs on all aspects of your API's performance with uptime monitoring, integration testing, logging and real-time monitoring.
See all alternatives

Charles's Followers
45 developers follow Charles to keep up with related blogs and decisions.
Pavel Vladimír Gal Trávníček
George Szabo
Mohamma76685757
Panayiotis Tzagkarakis
Benjamin Poon
andrea_steva
Akiva Meir Potestio
samitopal
Oscar Lito Pablo
MohammadAsh15