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 4742 reference ratings
4.8/5.0 (4742)
  • Fall 2025 Market Leader Passwordless Authentication Software
    Press Release Report

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Featured Testimonials

  • “We found that our way of authenticating was secure, but not secure enough for the PSD2 certification.”

    Daan de Schepper Solutions Architect

  • “It’s clear the care Auth0 puts into it to make it easy. With other vendors, it sometimes takes a while to get started. But with Auth0, it’s much easier to …

    Alex Thornton Head of Engineering

  • "We needed to know that the solution we chose could provide industry-standard authentication as a service. But we also needed to know that it had a future. Auth0 was the …

    Tor Magnus Castberg Platform Team Lead
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Featured Case Studies

  • How Coop Automated Identity to Handle 25x More Traffic

    Havard Hvassing Project Manager

  • How SnelStart Is Saving Months on Its Security Initiative

    Daan de Schepper Solutions Architect

  • How Gymshark Centralizes UX for 250K Monthly Users With Auth0

    Dan Lake Engineering Director
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Featured Customer Videos

  • New Business Accessed the Cimpress Platform in 5 Minutes With Auth0
    Play Video
    Ryan Breen Director API Management
  • How NTUC Enterprise Built a Single Customer View for Their Brands
    Play Video
    Winson Lim VP, Core Product Development
  • Kiva - Customer Success Story (Van Mittal Henkle - Principal Software Engineer and Engineering Manager)
    Play Video
    Van Mittal Henkle Principal Software Engineer and Engineering Manager
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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 118 businesses that use Auth0.

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

FeaturedCustomers has 2,044,684+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.