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 4337 reference ratings
4.7/5.0 (4337)
  • Market Leader 2025 2025
    Fall 2025Market LeaderPasswordless Authentication Software

Featured Testimonials

  • “Working with Auth0 has been a great experience, great technical support. It's a company that we can trust, so we trust the software they're building as well.”

  • “We’re very proud of the technology we’ve built, and we’re proud to continue evolving that.”

  • “We've basically been moving on a double digit year-on-year growth cycle."

Featured Case Studies

  • Why Snyk Trusts Auth0 to Deliver Security from the Ground Up

  • How Fern is growing securely with Auth0 and AWS

  • Foodstuffs North Island Finds an 'Extensible Solution' in Auth0

Featured Customer Videos

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.