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launchdarkly.com

Welcome to LaunchDarkly docs

This is the documentation site for the LaunchDarkly platform, SDKs, integrations, and more. Get help on our Support page. Or if you learn better by doing, start a trial.

  • Your first flag

    New to LaunchDarkly? Get started in minutes.

  • Release notes

    Want to know everything from our latest release?

  • Experimentation

    Test frontend and backend changes in real time, on real end users.

Explore our SDKs

Everyone who uses LaunchDarkly in their code must use one of our SDKs. Learn your SDK requirements in Getting started with SDKs.

  • CLIENT-SIDE / MOBILE SDKS

    .NET

    Android

    C++

    Electron

    Flutter

    iOS

    JavaScript

    Node.js

    React

    Roku

    Vue

  • SERVER-SIDE SDKS

    .NET

    Apex

    C/C++

    Erlang

    Go

    Haskell

    Java icon

    Java

    Lua icon

    Lua

    Node.js

    PHP icon

    PHP

    Python icon

    Python

    Ruby icon

    Ruby

    Rust icon

    Rust

  • EDGE SDKS

    Akamai

    Cloudflare

    Vercel

Want to get involved? Our docs are on GitHub.