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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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Customer Rating Review Score based on 1599 reference ratings
4.8/5.0 (1599)
  • Fall 2025 Top Performer Passwordless Authentication Software
    Press Release Report

40Testimonials

  • "Great tool! And all the right features plus awesome support."

    Chris Obdam Betty Blocks

  • “We didn’t want to have to manage the authentication lifecycle for the users and we didn’t want to build it ourselves.”

    Scott Plunkett Founder

  • "Whenever we encountered an issue with FusionAuth, we always received a quick response from the support team and were always able to find a solution together."

    John Maia Software Developer
39 more testimonials currently locked

35 Case Studies

  • UrbanSitter Speeds B2B Growth and Cuts Auth Dev Time by 90% with …

    Lucas Whitman Chief Technology Officer

  • Contaim adopts FusionAuth to manage their auth lifecycle

    Scott Plunkett Founder

  • Recon InfoSec switched to FusionAuth from AWS Cognito

    Whitney Champion Lead Architect
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 1,904,483+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.