Auth0

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Read 152 Auth0 reviews and testimonials from customers, explore 115 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
  • 115 Case Studies View
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Customer Rating Review Score based on 4522 reference ratings
4.8/5.0 (4522)
  • Fall 2025 Market Leader Passwordless Authentication Software
    Press Release Report

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Featured Testimonials

  • "Built and operated to the highest standards needed for us to take our own solution to customers with confidence."

    Niels Flensted- Jensen Co-Founder

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

    Andrew Brodie Chief Technology Officer

  • “We expect our leaders to make evidence-based decisions, but the people running our criminal justice system don’t have the real-time data needed to reduce incarceration, improve outcomes, and make our …

    Joshua Essex Co-Founder and CTO
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Featured Case Studies

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

    Merlijn Gootjes Product Manager

  • O'Reilly Online Learning Auth0 SSO Drives B2B Expansion

    Cris Concepcion Engineering Manager

  • How Lush Setup Website Authentication in 1 Month With 2 Devs

    Simon Ince Creative Technology and Innovation Lead
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Featured Customer Videos

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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 115 businesses that use Auth0.

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

FeaturedCustomers has 1,909,721+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.