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What is FlagFix?Core concepts Create an account Create an organization Create a project Configure environments Create your first feature flag Install your first SDK Track your first event Next steps

Getting started

Next steps

Choose the integration path that matches your runtime.

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Browser application: JavaScript SDK and Evaluate flags.
Server render: Node.js SDK exportFlagState(), then React serverFlagState.
Roll out slowly: Percentage rollouts.
Stop a bad release: Kill switches.
Confirm the contract: Events ingestion.

When you copy a sample, replace every key. Never commit a server key, and never paste a key into the docs feedback control or into search.

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Track your first event

Queue a track event and flush it to ingestion.

Feature management

Flags, environments, targeting, and published snapshots.