index.html.md.erb

---
title: User Account and Authentication
owner: UAA
---



User Account and Authentication (UAA) is an open-source identity server project under the Cloud Foundry Foundation.

UAA provides enterprise scale identity management features and identity-based security for apps and APIs. It supports open standards for
authentication and authorization.

For more information, see the [UAA repository](https://github.com/cloudfoundry/uaa) on GitHub. UAA also has a public API.
For more information, see the [UAA API documentation](https://docs.cloudfoundry.org/api/uaa/index.html).

The following topics present an overview of how UAA works and a discussion of key concepts:

* [User Account and Authentication overview](uaa-overview.html): Explains the purpose and architecture of UAA.

* [User Account and Authentication concepts](uaa-concepts.html): Explains some of the high-level concepts behind UAA.

* [Identity providers in UAA](identity-providers.html): Explains how different types of identity providers (IDPs) interact with UAA.

* [UAA performance metrics](uaa-metrics.html): Identifies and describes global, Virtual Machine (VM), and JVM (Java Virtual Machine) metrics.