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 4656 reference ratings
4.8/5.0 (4656)
  • Fall 2025 Market Leader Passwordless Authentication Software
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Featured Testimonials

  • “Because of Okta FGA, the Zapier Canvas team didn’t have to reinvent the Identity wheel. By adopting an authorization platform, they could invest resources into functionality and features for our …

    Timi Chu Group Product Manager

  • “When we were looking to implement OpenID Connect, we first considered building a solution ourselves. Ultimately we chose to work with Auth0 because it enabled us to unify authentication across …

    Mark Lesswing SVP and Chief Technology Officer

  • “Our web application had become more of a monolith as time progressed, and we wanted to move off that monolith and toward a more microservice world. In order to make …

    Chance Kirsch Staff Software Engineer
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Featured Case Studies

  • How ChaosSearch Improved Customer Service and Onboarding With Auth0

    Thomas Hazel Founder and CTO

  • Why Toast Shifted to Microservices, Starting with Auth0

    Chance Kirsch Staff Software Engineer

  • Nordcloud Sees 300% ROI on Development Costs With Auth0

    Jakub Woźniak Principal Architect
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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 Moogsoft Boosted Signups Using Social Logins
    Play Video
    Russ Smith Director of Product Engineering
  • How NTUC Enterprise Built a Single Customer View for Their Brands
    Play Video
    Winson Lim VP, Core Product Development
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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 1,912,291+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.