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 4727 reference ratings
4.8/5.0 (4727)
  • Fall 2025 Market Leader Passwordless Authentication Software
    Press Release Report

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Featured Testimonials

  • “So we have customers using Azure, AD; others use ADFS, and others use now Okta, User Password, MFA. This whole range is supported by Auth0, and this enables us to …

    Manuel Reil Chief Technology Officer

  • “Auth0 has been an incredible catalyst on the digital identity transformation in NTUC FairPrice and is already impacting our customers’ experience today.”

    Ryne Cheow Technical Lead

  • “Security is a core part of Auth0’s business. We trust Auth0’s tooling and features to protect our users and us from external attacks as we scale.”

    Olle Lundberg Senior Engineering Manager
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Featured Case Studies

  • Activate Care Sees 2x Dev Savings With Auth0

    Narath Carlile Chief Medical Officer

  • Headspace Finds New Growth Opportunities With Auth0

    George Torres Director of Engineering

  • How Arduino Increased User Conversion 3x by Simplifying Logins

    Luca Cipriani CIO
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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 118 businesses that use Auth0.

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

FeaturedCustomers has 2,006,796+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.