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Feature flags and event tracking for TypeScript, Dart, and PHP. Simple, typed, and reliable.

Feature Flags

Control feature releases with targeting, percentage rollouts, and A/B testing. OpenFeature compatible.

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Track user events, payments, and errors with rich metadata. Get real-time notifications for critical moments.

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Complete TypeScript, Dart, and PHP type definitions. Catch errors at compile time, not runtime.

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Native SDKs for TypeScript, Dart/Flutter, and PHP. Works on web, mobile, and server.

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Get started in minutes with our intuitive SDKs. Just initialize with your API key and go.