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ConfigCat SDK Overview

The purpose of the SDKs are to download, cache feature flag values and to evaluate targeting rules. All SDKs provide a simple interface to access your feature flags from your application.

Check out our language specific Getting Started Guide on how to connect your applications.

.NET, .NET Core

Java

JavaScript

JavaScript for Server-Side Rendered apps

React

Node.js

Android (Kotlin)

iOS (Swift)

Python

Go

PHP

Ruby

Elixir

Dart (Flutter)

Kotlin Multiplatform

Deno (Community maintained)