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Softlaunch is a feature flag platform. You wrap new code in a flag, then turn it on, roll it out gradually, or target specific users — all without redeploying. Your SDKs evaluate flags locally against a configuration snapshot served from a global CDN, so evaluations are instant and add no network latency to your app. When you change a flag, the update propagates to connected SDKs in real time.

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What you can do

Toggle features instantly

Turn features on or off per environment without a deploy.

Roll out gradually

Release to a percentage of users and ramp up with consistent bucketing.

Target precisely

Serve different variations to different users based on their attributes.

Update in real time

Flag changes reach connected SDKs immediately — no polling required.

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Get started

Quickstart

Create your first flag and read it from an SDK in a few minutes.

Core concepts

Understand flags, environments, targeting, and how evaluation works.

SDKs

Install a client or server SDK and start evaluating flags.

How it works

See how configuration flows from the dashboard to your app.