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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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4.8/5.0 (1679)
  • Fall 2025 Top Performer Passwordless Authentication Software
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40Testimonials

  • "[FusionAuth] worked like a charm from the first attempt. That’s something that doesn’t usually happen when trying new things."

    Ahmed Abbas Chief Executive Officer

  • "Primarily, we wanted to find a production ready identity management solution with OAuth capabilities, to focus our development efforts on our system domain components."

    Michał Getka Software Engineer

  • "[Using FusionAuth] meant that we could save on development costs, and bring an overall improvement to the customer experience in a much shorter time frame [than developing the functionality ourselves]."

    Brad Kite Chief Technology Officer
39 more testimonials currently locked

35 Case Studies

  • CurrentDesk Saved Thousands Of Dollars By Choosing FusionAuth

    Brittany Roddy Architect

  • Unio uses FusionAuth to handle their user accounts, authentication, authorization, and password …

    Jason Musyj Co-Founder & CTO

  • Circleboom Chose FusionAuth For Single Sign-On Across Their Products

    Atakan Eser Chief Technology Officer
34 more case studies currently locked

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.

FeaturedCustomers has 1,911,721+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.