Auth0

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Read 152 Auth0 reviews and testimonials from customers, explore 118 case studies and customer success stories, and watch 5 customer videos to see why companies chose Auth0 as their Identity & Access Management Software

Auth0 is a cloud service that provides a set of unified APIs and tools that instantly enables single sign-on and user management for any application, API or IoT device. It's modern identity infrastructure, built for developers. Auth0 provides open source SDKs for all popular platforms, all popular operating systems, all popular devices and all popular programming languages. It allows connections to any identity provider from social to enterprise to custom username/password databases. Auth0 is obsessed with making identity, authentication and authorization simpler for modern applications.

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  • 152 Testimonials View
  • 118 Case Studies View
  • 5 Customer Videos View
Customer Rating Review Score based on 4684 reference ratings
4.8/5.0 (4684)
  • Fall 2025 Market Leader Passwordless Authentication Software

More from Auth0

Featured Testimonials

  • “We see the centralized user identity that we implemented with Auth0 as a fundamental part of what will allow us to build more features like those in the future.”

  • “A key thing we really liked about Auth0 is our ability to customize the user interface. That was really critical for us.”

  • “As it aged, it became harder to maintain. It didn’t follow any of the industry authentication and authorisation standards. We found it tough to integrate the vast suite of applications …

Featured Case Studies

  • Cribl uses Auth0 FGA to support robust IAM requirements for Fortune 1000 …

  • Aris achieves 10x cost reduction with Auth0

  • How Lifen Saves Over $100K Annually With Auth0

Featured Customer Videos

  • How Moogsoft Boosted Signups Using Social Logins
  • Kiva - Customer Success Story (Van Mittal Henkle - Principal Software Engineer and Engineering Manager)
  • How NTUC Enterprise Built a Single Customer View for Their Brands

Additional Auth0 Information & Resources

Read Auth0 Reviews, Testimonials & Customer References from 152 real Auth0 customers.

Browse Auth0 Case Studies, Customer Success Stories, & Customer References from 118 businesses that use Auth0.

Watch Auth0 Customer Videos to learn why 5 businesses chose Auth0.