Auth0

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Read 142 Auth0 reviews and testimonials from customers, explore 107 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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Customer Rating Review Scorebased on 4359 reference ratings
4.7/5.0 (4359)
  • Market Leader 2025 2025
    Fall 2025Market LeaderPasswordless Authentication Software

Featured Testimonials

  • “Most enterprise identity vendors offered a platform with consumer features bolted on. But Auth0 was consumer-ready out of the box.”

  • “One of the things that I was very focused on when building the new environment was really simplifying the experience for the developer, which is either an electrical engineer or software developer, from our customer companies.”

  • “When you work with a partner like Auth0, it takes a lot off of your roadmap that should not be the focus of your R&D teams.”

Featured Case Studies

  • How Perch Security Eliminated IAM Downtime With Auth0

  • How Kenshoo Reduced Its Support Ticket Burden by 75%

  • How ORTEC Automated 90% of Cloud Tenant Registration With Auth0

Featured Customer Videos

Additional Auth0 Information & Resources

Read Auth0 Reviews, Testimonials & Customer References from 142 real Auth0 customers.

Browse Auth0 Case Studies, Customer Success Stories, & Customer References from 107 businesses that use Auth0.

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