Enterprise CIAM Solutions

FusionAuth is a fully customizable auth system that scales to tens of millions of users across thousands of tenants and apps.

Modern Identity, Industry Standards & Secure Integrations

FusionAuth bridges the gap between your identity and enterprise systems using industry standards such as SAML, OIDC, OAuth2, LDAP and SCIM, for seamless, secure integrations.

Modern App Security

There’s nothing more important than protecting the security of your application and its users. We live and breathe security. Look to FusionAuth for robust authentication, flexible password hashing, comprehensive key management, and sophisticated threat detection.

Advanced security protects your apps & users.

Scalable Security

FusionAuth can effortlessly handle thousands of requests per second and scale further with additional hardware. Deploy FusionAuth using our Docker image within Kubernetes to leverage your team's scaling expertise and ensure high availability and performance.

Deployment Flexibility

Deploy FusionAuth where your applications live. FusionAuth managed deployment? Data center? Air-gapped? The choice is yours. With support for Kubernetes, Docker, and cloud platforms like AWS, FusionAuth gives unparalleled flexibility to your deployment needs.

Customizable Login Experience

Make your auth system fit your applications, not the other way around. Choose from prebuilt themes with easy customization or create your own using CSS, HTML, and JavaScript. Store essential profile data with unlimited user profile fields.

Docs and Examples

Kickstart your integration with FusionAuth using our quickstarts available in over 20 languages and frameworks. Explore dozens of example applications and dive into our extensive documentation to secure and monitor FusionAuth effectively.

Multi-Region Disaster Recovery

FusionAuth supports multi-region disaster recovery.

This functionality is also built into FusionAuth Cloud. The primary and secondary regions of your DR setup are configurable. Your data is securely replicated between them, and you can redirect users' authentication traffic away from a regional failure in minutes.

Powerful Integrations for FusionAuth

Seamlessly integrate FusionAuth into your existing infrastructure. Use webhooks to push data from FusionAuth to other systems and leverage our comprehensive APIs and SDKs to update and manage FusionAuth as needed.

Complete Auth for Any App

FusionAuth is a complete solution with no sacrifices. We got this. Go build something awesome.

API Driven

Use our customizable login flows or build your own experience on top of our APIs.

Flexible Hosting

Host yourself or use our cloud. It's always your data.

Never Switch Customer Auth Providers Again

Whether you are building your MVP or have hit hockey stick growth, FusionAuth is a complete auth solution with no sacrifices. We got this. Go build something awesome.