OpenFeature

OpenFeature Evaluation API

The OpenFeature specification defines a standard API for feature flag evaluation across languages. It includes the Evaluation API for resolving flag values with context, the Provider API for connecting to feature flag backends, the Hook API for intercepting evaluation lifecycle events, and the Event API for reacting to flag configuration changes. Providers can be implemented for any feature flag service.

GitHub OpenAPI

Documentation

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Documentation
https://openfeature.dev/docs/reference/intro

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/openfeature/refs/heads/main/openapi/openfeature-openapi.yaml

OpenAPI Specification

openfeature-openapi.yaml Raw ↑