---
title: "Unleash (@unleash)"
description: "The Open-Source Feature Toggle Service"
account: "unleash"
---

# Unleash

The Open-Source Feature Toggle Service

## APIs

4 public APIs with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/unleash/feed.md

- [Unleash API (openapi)](https://skmtc.dev/unleash/apis/unleash-api-3.md): Feature flags: manage projects, environments, tags, API tokens, change requests and events
- [Unleash API (openapi)](https://skmtc.dev/unleash/apis/unleash-api-2.md): Feature flags: fetch flag definitions and report client usage and custom metrics
- [Unleash Edge](https://skmtc.dev/unleash/apis/unleash-edge.md): Feature flags: fetch evaluated toggles, register clients, and send usage metrics via a proxy
- [Unleash API (openapi)](https://skmtc.dev/unleash/apis/unleash-api.md): Feature flags: fetch enabled flags per context, register client SDKs and report usage metrics