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 4410 reference ratings
4.7/5.0 (4410)
  • Market Leader 2025 2025
    Fall 2025Market LeaderPasswordless Authentication Software

Featured Testimonials

  • “We now have a robust solution in place for authentication and security thanks to Auth0. Knowing that our users trust us with their digital life and that we can honor that trust really means a lot to us.”

  • “Our first-of-its-kind platform reduces the time and expense required for data acquisition, allowing organizations to focus on analyzing and leveraging data to drive innovation and success.”

  • "Our old identity solution relied on token validation, which accounted for up to 85% of our traffic. We needed to move away from that.”

Featured Case Studies

  • How WABI is Modernizing E-Commerce in Latin America and Beyond

  • Why ScreenCloud Chooses Auth0 for Enterprise Federation

  • How Entur is Unifying Norway’s Public Transport Ticketing

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.