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Auth0
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Added:10/24/2025
Type:Saas
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FREEMIUMSUBSCRIPTION
API AvailableSingle Sign-On (SSO)Two-Factor AuthenticationSOC2 CompliantSecurity
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What is Auth0

Auth0 is an identity and access management platform that handles user authentication and authorization for web and mobile applications. It works as a service that sits between your application and your users, managing who can access what.

The platform supports many login types including traditional passwords, social media accounts like Google or Facebook, fingerprint recognition, and one-time codes. It also provides single sign-on, which lets users log into multiple apps with one set of credentials.

Auth0 handles security requirements like checking for breached passwords, blocking suspicious login attempts, and verifying user identity through multiple factors. Developers can set it up quickly using ready-made tools and code libraries, saving months of development time and reducing security risks.

How to Use Auth0

Setting up Auth0 for your application is straightforward. Here are the basic steps:

  • Create a free Auth0 account and set up your tenant, which represents your product or service.

  • Go to the dashboard and create a new application by selecting your app type such as web, mobile, or single page application.

  • Configure your login methods by enabling the connections you want, like email and password, Google, Facebook, or other social providers.

  • Copy the credentials provided by Auth0 including your domain and client ID into your application code.

  • Use Auth0's software development tools for your programming language to add login buttons and authentication flows to your app.

  • Test the login process in development mode to make sure everything works correctly.

  • When ready, configure production settings including custom branding, security rules, and user management features before launching.

Features of Auth0

  • Secure authentication for web and mobile apps

  • Social login with 30+ providers

  • Multi-factor authentication options

  • Single sign-on capabilities

  • Passwordless login methods

  • Custom branding for login pages

  • Attack protection and security monitoring

  • User profile management

  • Role-based access control

  • API security

  • Enterprise directory integration

  • Real-time security alerts

  • Detailed activity logs

Auth0 Pricing

Free (B2C)

Free

What's included:
  • Up to 25,000 monthly active users
  • Any type of application
  • Custom domain support
  • Passwordless authentication (SMS, email, Passkey, OTP)
  • Unlimited social connections
  • 5 organizations
  • SSO with Okta
  • Branded login forms and custom logic
  • Basic attack protection
  • Community support
Most Popular
Essentials (B2C)

$35 /mo

What's included:
  • Up to 500 monthly active users
  • Everything in Free plan
  • Higher authentication and API limits
  • Multi-factor authentication (OTP, Duo)
  • Role-based access control per organization
  • 10 organizations
  • Stream audit logs to external services
  • Separate production and development environments
  • Standard support
Professional (B2C)

$240 /mo

What's included:
  • Up to 1,000 monthly active users
  • Everything in Essentials plan
  • Custom user database integration
  • Advanced multi-factor authentication (Phone, Email, WebAuthn, Push)
  • 10 organizations
  • Enhanced attack protection
  • Machine-to-machine tokens
  • Professional support
Enterprise (B2C)

Custom

What's included:
  • Everything in Professional plan
  • Custom user and SSO tiers
  • 99.99% SLA guarantee
  • Enterprise rate limits
  • Enterprise administration and support
  • Advanced security features
  • Private deployment options
  • Dedicated support team
Free (B2B)

Free

What's included:
  • Up to 25,000 monthly active users
  • Any type of application
  • Custom domain support
  • Passwordless authentication
  • Unlimited social connections
  • 5 organizations
  • SSO with Okta
  • Branded login forms
  • Basic attack protection
  • Community support
Essentials (B2B)

$150 /mo

What's included:
  • Up to 500 monthly active users
  • Everything in Free plan
  • Unlimited organizations
  • SSO for 3 customer directories
  • Higher authentication and API limits
  • Multi-factor authentication (OTP, Duo)
  • Role-based access control
  • Audit log streaming
  • Separate environments
  • Standard support
Most Popular
Professional (B2B)

$800 /mo

What's included:
  • Up to 500 monthly active users
  • Everything in Essentials plan
  • Unlimited organizations
  • SSO for 5 customer directories
  • Custom user database integration
  • Advanced multi-factor authentication
  • Enhanced attack protection
  • Machine-to-machine tokens
  • Enterprise connection add-ons
Enterprise (B2B)

Custom

What's included:
  • Everything in Professional plan
  • Custom user and SSO tiers
  • 99.99% SLA guarantee
  • Enterprise rate limits
  • Enterprise administration and support
  • Advanced security features
  • Private deployment options
  • White-glove onboarding and support

FAQ's About Auth0

What is Auth0 used for?
Auth0 is used to add secure user authentication and login functionality to web and mobile applications. It handles user registration, login, password management, social logins, and security features so developers don't have to build these systems from scratch.
Is Auth0 free to use?
Yes, Auth0 offers a free plan that supports up to 25,000 monthly active users with basic features like social logins, passwordless authentication, and custom domains. Paid plans start at $35/month for B2C applications with additional features and higher limits.
How is Auth0 different from regular login systems?
Unlike building your own login system, Auth0 provides pre-built security features, handles password breaches, blocks suspicious logins, and supports multiple authentication methods out of the box. It saves development time and reduces security risks while offering features that would take months to build.
What authentication methods does Auth0 support?
Auth0 supports traditional username and password, social logins (Google, Facebook, LinkedIn, etc.), passwordless methods (email links, SMS codes), biometric authentication, multi-factor authentication, and enterprise connections like Active Directory or SAML providers.
Can Auth0 work with my existing user database?
Yes, Auth0's Professional plan and above allows you to connect your existing user database so users can log in with their current credentials. This makes migration easier and lets you gradually move to Auth0 without disrupting your users.

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