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 4599 reference ratings
4.8/5.0 (4599)
  • Fall 2025 Market Leader Passwordless Authentication Software
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Featured Testimonials

  • "We compared and contrasted a number of products, but we chose the Auth0 Platform because it had the most extensive user migration functionality and because we were concerned that existing …

    Shintaro Kikuchi Head of Platform Development Dept. Recruiting Product Division

  • “Having Auth0 around to provide immediate answers to our questions saved our developers a great deal of time.”

    Cris Concepcion Engineering Manager

  • “Peace of mind by having something that is proven and super easy to implement is the number one reason we chose Auth0. It just works.”

    Luis Salazar Co-Founder and CEO
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Featured Case Studies

  • How SnelStart Is Saving Months on Its Security Initiative

    Daan de Schepper Solutions Architect

  • Why Babylon Health Relies on Auth0 to Scale Globally

    Richard Grundy IT Procurement Manager

  • How Searchmetrics Achieved 1,500% ROI by Outsourcing Identity

    Carsten Neuendorf Vice President of Engineering
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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 1,911,112+ validated customer references including reviews, case studies, success stories, customer stories, testimonials and customer videos that will help you make better software purchasing decisions.