Platform

Authentication for Any App

Passwords or passwordless, single sign-on or multi-factor, FusionAuth lets you authenticate in every way, with standards based authentication using Oauth2, OIDC, or SAML v2.

fusionauth authentication

At FusionAuth, Security, Privacy and Compliance is Our Priority

FusionAuth is enterprise-ready with world class security, privacy, and compliance. It's our highest priority.

fusionauth security, privacy and compliance
fusionauth security, privacy and compliance

Authentication, Anywhere & Anyhow

FusionAuth gives you quick and easy authentication for any type of application including web, mobile, desktop and console apps. Use FusionAuth's OpenID Connect or SAML v2 login workflows, or build your own login experience using our APIs. Our library of content is here to help you along the way.

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fusionauth verify email and sms authentication
fusionauth fully customizable authentication system

Fully Customizable Auth System

We let you customize everything. EVERYTHING. Login screens, user language, registration screens, emails, unlimited user custom fields, messages — you name it. It’s your application, so make the login experience completely yours.

Registration And Sign-up Forms

Emails and SMS Messages

Login and Sign-In Forms

fusionauth provides gaming, enterprise and social logins

Advanced Authentication Methods

Simple and secure user authentication options, complete with everything you need.

fusionauth provides authentication options

Connect With Everything

FusionAuth connects with other sources of user data, including LDAP and custom APIs. Authenticate against them forever or transparently migrate your data from external user data stores to FusionAuth.

fusionauth dashboard connectors