
Developer-focused identity and access management platform
FusionAuth is an authentication and authorization platform built for developers that provides flexible, API-first identity management. It supports passwords, passwordless login, SSO, MFA, social login, and advanced threat detection. FusionAuth offers flat-rate pricing without per-MAU costs and can be self-hosted or cloud-deployed. Every feature is accessible through APIs for seamless integration.
Password, passwordless, and social login
Single sign-on (SSO) across applications
Multi-factor authentication (MFA)
Advanced threat detection
Breached password detection
Role-based access control
API-first architecture
Self-hosted or cloud deployment
User registration and management
Flat-rate pricing without per-MAU fees