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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 Rating Review Score based on 1650 reference ratings
4.8/5.0 (1650)
  • Fall 2025 Top Performer Passwordless Authentication Software

40Testimonials

  • "After the initial setup, there is not much to do with FusionAuth except upgrading from time to time, so this way it is way more cost-effective than the competing solutions …

  • "We currently use the community version of FusionAuth so in terms of money it’s saved thousands of dollars."

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

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35 Case Studies

  • DolphinVC chose FusionAuth because it saved them time and they could run …

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

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

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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.