# Evaluation API

**Canonical:** https://apis.io/apis/featureflip/evaluation-api/  
**Provider:** Featureflip — https://apis.io/providers/featureflip/  
**Base URL:** https://eval.featureflip.io  
**Documentation:** https://featureflip.io/docs/api/overview/

Evaluation API is one of 3 APIs that [Featureflip](https://apis.io/providers/featureflip/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include feature flags, feature management, feature flag cleanup, progressive delivery, and experimentation. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

High-performance feature flag evaluation service for SDKs, with client and SDK endpoints for evaluation, identify, streaming, flags, and events.

## Machine-readable artifacts (2)

- **OpenAPI** — https://featureflip.io/openapi/evaluation-v1.json
- **Documentation** — https://featureflip.io/docs/api/reference/

## Other Featureflip APIs (2)

- [Management API](https://apis.io/apis/featureflip/management-api/)
- [MCP Server (local)](https://apis.io/apis/featureflip/mcp-server-local/)

## Tags

feature flags, feature management, feature flag cleanup, progressive delivery, experimentation, feature flags as code, OpenFeature, MCP, developer tools, DevOps/CI-CD

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/featureflip/evaluation-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/featureflip/.