Auth0

Premium
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.

Show more
Customer Rating Review Scorebased on 4263 reference ratings
4.7/5.0 (4263)
  • Market Leader 2025 2025
    Fall 2025Market LeaderPasswordless Authentication Software

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 directly and quickly go live with a customer.”

  • “Identity was critical for the development process. Many users access Fern through GitHub, and a lot will have their documentation set up to be open source. We needed to make sure these sites in production could be updated only by authenticated members of a given organization.”

  • “Auth0’s probably our fastest performing component in our digital set. Onboarding customers live onto the platform and handling quick authentication switches has improved the overall customer experience.”

Featured Case Studies

  • World Vision Migrates, Manages 600,000 Accounts with Auth0 Authentication

  • Fintech Basset & Gold Achieves Rapid Integration with Auth0

  • How Checkr scales authentication best practices and minimizes engineering effort

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.