Built for <devs>

FusionAuth gives devs complete flexibility with minimal implementation effort. Dive right into our full API documentation or get started with the links below.

Full API documentation

Getting Started

System Requirements Installation Guide Setup Wizard Types of Logins Tutorials

Popular Features

Two-factor Authentication Single Sign-on (SSO) Passwordless Social Logins Themes

User Management

User Registration Authenticating Users Managing Groups User Groups User Actions

Integrations

Client Libraries Identity Providers OAuth & OpenID Connect SAML Webhooks

Tenants & Apps

Tenants Application Management Application Roles Reporting

Email & Login

Configuring Email Email Templates Email Localization Login Theming

Get in and get started! Download FusionAuth now - no registration or credit card required.

Popular Tutorials & Code Samples

View them all

Every Platform, Every Framework

Install FusionAuth anywhere and integrate everywhere in minutes.

Linux
Docker
macOS
Windows
Bare metal
JAVA
NODE.JS
TYPESCRIPT
JAVASCRIPT
C#
PHP
RUBY
PYTHON
GO
.NET CORE

Ask Questions About FusionAuth

Join the FusionAuth developer community and share your challenges and solutions.

Resources for Developers

FusionAuth is a complete solution with no sacrifices. You get every feature from day one-no premium tiers, no enterprise-only features, no sales BS.

View all

Download Now and Get Started

Use our Fast Path install and start building something awesome.

Get started today

We got this. Go build the cool stuff.

FusionAuth Logo

FusionAuth In Your Inbox

Subscribe for email updates and you’ll be the first to know about new features and updates. And don’t worry, our emails are just like FusionAuth - built for devs. We skip the annoying fluff marketing messages and only send out when we have useful information.