---
title: Introduction
slug: feature-experimentation/api/9ngI-introduction
docTags: 
createdAt: 2026-10-13T18:16:15.508Z
---

This page documents how to use the Optimizely FX API.
With this API you can view and manage Feature Flags and all of their
related entities including Variables, Variations, Rules, and Reports.

The base URL is [https://api.optimizely.com/flags/v1](https://api.optimizely.com/flags/v1). Append any paths
listed in these docs onto that url in order to make requests to the API.