Auth0

Sign-in as a service

Free plan, with paid plansSecurity and privacy

About Auth0

Auth0 is a sign-in and identity service. Add logins, social sign-in and security rules to your app.

Auth0 is best for developers who want a flexible sign-in service. Auth0 has a free plan, and paid plans add more. It works on the web.

What is Auth0?

Auth0 is a sign-in and identity service. Add logins, social sign-in and security rules to your app.

Who is Auth0 best for?

Auth0 is best for developers who want a flexible sign-in service.

What are the main features of Auth0?

Its main features include Universal login, Social and enterprise login and Multi-factor.

Is Auth0 free?

Auth0 has a free plan, and paid plans add more. Check its website for current limits and prices.

What platforms does Auth0 work on?

Auth0 works on the web.

What are the best alternatives to Auth0?

Popular alternatives include Clerk and Okta. Compare them on the features you need most.

How do I choose a sign-in and identity service?

Compare the sign-in methods you need, how the cost grows per user, and how you could move away later.

Ready-made sign-in for web apps

Free plan · Web

Identity for large companies

Paid · Web, iOS, Android