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Concepts, API, caching, and SDKs. Sign up to first feature in under five minutes.

SDKs

Env vars and API URL for every FeatureToggle client.

Environment variables

VariableRequiredDescription
FT_API_KEYyes*Skip if you pass the key to the constructor
FT_POLL_INTERVALnoPoll interval in seconds when stream is off (default 30)

*Required only when the SDK reads the key from the environment.

API URL

Base URL is https://api.featuretoggle.com. You pass an API key; you do not set a custom base URL. Contract: Feature API.

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