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FusionAuth

Read 40 FusionAuth reviews and testimonials from customers, explore 35 case studies and customer success stories, and watch customer videos to see why companies chose FusionAuth as their Passwordless Authentication Software

FusionAuth is a single-tenant CIAM solution that deploys on-premises, in your private cloud, or on their fully-managed FusionAuth Cloud. Their JSON REST API provides advanced identity management that is easy for developers to deploy and implement on any platform or framework.

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  • 35 Case Studies View
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    Customer Videos
Customer Rating Review Score based on 1554 reference ratings
4.8/5.0 (1554)
  • Fall 2025 Top Performer Passwordless Authentication Software

40Testimonials

  • “FusionAuth allows us to remain focused on the actual effort and shields us from fighting with upstream identity providers in strange environments that we're not familiar with. Allowing [FusionAuth] to …

  • "Pricing was the main pull [to use FusionAuth], but support has been great too."

  • “We have complex needs in that we’re a multi-sided, multi-tenant enterprise SaaS platform and need to support customer specific identity providers for SSO. We also require end-to-end authentication across different …

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35 Case Studies

  • ZanoCloud Helps Companies Make The Most Of The Cloud With FusionAuth

  • Cybanetix Deployed On-Prem FusionAuth As Part Of A PCI-DSS Compliant Solution

  • Seegno Manages Thousands Of Tenants With FusionAuth And Kubernetes

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Additional FusionAuth Information & Resources

Read FusionAuth Reviews, Testimonials & Customer References from 40 real FusionAuth customers.

Browse FusionAuth Case Studies, Customer Success Stories, & Customer References from 35 businesses that use FusionAuth.