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 4305 reference ratings
4.7/5.0 (4305)
  • Market Leader 2025 2025
    Fall 2025Market LeaderPasswordless Authentication Software
    Press ReleaseReport

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Featured Testimonials

  • "Auth0 Professional Services engineers know their material, with both a deep and broad comprehension of Auth0's systems."

    Mark DrummondCloud And Identity Systems Lead

  • “Auth0 Private Cloud gives us extra peace of mind knowing that we are working with our own dataset, and we can have more control over our SLA and uptime.”

    Matt PalermoDirector of Engineering

  • “It feels great to be part of an organization that feeds New Zealand.”

    Gavin CampbellSolution Architect
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Featured Case Studies

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

    Simon InceCreative Technology and Innovation Lead

  • Auth0 Accelerates Sales Cookie Dev With 2-Week Setup Period

    Dominic PouzinCTO and Co-Founder

  • How Alyne Tripled Their Revenue 3 Years in a Row With Auth0

    Manuel ReilChief Technology Officer
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Featured Customer Videos

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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.

FeaturedCustomers has 1,867,573+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.