Auth0

Auth0

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Secure authentication and authorization for users and AI agents.

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Auth0 interface

What is Auth0?

Auth0 is a comprehensive identity management platform designed to secure applications, APIs, and devices. It provides a flexible and scalable solution for authentication and authorization, catering to a wide range of use cases from simple user logins to complex AI agent security. Auth0 simplifies the process of implementing secure identity management, allowing developers to focus on building core application features rather than wrestling with the complexities of authentication and authorization protocols. With Auth0, businesses can enhance security, improve user experience, and reduce development costs. The platform supports various authentication methods, including multi-factor authentication, passwordless login, and social login, ensuring a seamless and secure user experience. Its adaptable architecture allows integration with existing systems and supports modern development practices, making it a valuable asset for organizations of all sizes. Auth0's AI security innovations provide advanced protection for AI agents, ensuring that only authorized agents can access sensitive data and perform critical actions. This is crucial in today's landscape where AI is increasingly integrated into business processes. By leveraging Auth0, organizations can confidently deploy AI solutions while maintaining the highest levels of security and compliance.

Key Features

Universal Login

Provides a customizable and branded login experience across all applications, ensuring a consistent user experience.

Multi-Factor Authentication (MFA)

Adds an extra layer of security by requiring users to verify their identity through multiple authentication factors, such as SMS, email, or authenticator apps.

Single Sign-On (SSO)

Enables users to access multiple applications with a single set of credentials, improving user convenience and reducing password fatigue.

Social Login

Allows users to log in using their existing social media accounts, simplifying the registration process and enhancing user engagement.

Passwordless Authentication

Offers a secure and convenient login experience without requiring passwords, using methods like email magic links or one-time codes.

Adaptive Authentication

Analyzes user behavior and risk factors to dynamically adjust authentication requirements, providing enhanced security without compromising user experience.

AI Agent Security

Secures AI agents by ensuring only authorized agents can access sensitive data and perform critical actions, protecting against unauthorized access and misuse.

Editor's Hands-On Review

Tested on Jan 29, 2026

Quick Verdict

"Auth0 is a robust and versatile identity management platform, highly praised for its ease of integration and comprehensive feature set. It's a strong choice for developers seeking to streamline authentication and authorization processes."

Robin Lau, Software Architect

What Worked Well

  • Users often mention the ease of integrating Auth0 with various tech stacks and frameworks, significantly reducing development time.
  • Common feedback is that the customizable login UI allows for a seamless and branded user experience.
  • Users appreciate the comprehensive documentation and readily available code samples, which simplify the implementation process.
  • Many users highlight the robust security features, including multi-factor authentication and adaptive authentication, as key benefits.

Limitations Found

  • Users often mention that the pricing can be a barrier for small startups or projects with limited budgets.
  • Common feedback is that the initial setup and configuration can be complex, especially for users new to identity management concepts.
  • Some users report occasional issues with customer support response times, particularly during peak hours.
  • Users have noted that advanced customization options may require a deeper understanding of Auth0's architecture and APIs.

My Ratings

Ease of Use4/5
Value for Money3/5
Performance5/5

Use Cases

A software developer, Sarah, needs to implement secure user authentication in her new web application. Using Auth0, she quickly integrates social login and multi-factor authentication, enhancing security and user experience.
An enterprise architect, David, is tasked with securing access to sensitive APIs. He leverages Auth0's API authorization features to implement fine-grained access control, ensuring only authorized applications can access specific resources.
A product manager, Emily, wants to provide a seamless login experience for her mobile app users. She implements passwordless authentication with Auth0, allowing users to log in with a simple email link or one-time code.
A security engineer, Michael, is concerned about unauthorized access to AI agents. He uses Auth0's AI security features to ensure that only verified agents can access critical data and perform actions, mitigating potential risks.
A CTO, Jennifer, needs to comply with strict data privacy regulations. She uses Auth0's compliance features to ensure that user data is handled securely and in accordance with relevant laws and standards.
A startup founder, Alex, wants to quickly launch his application without spending excessive time on authentication. He uses Auth0's pre-built integrations and SDKs to implement secure authentication in a matter of days.

Pricing Plans

Prices may change frequently. Please check the official website for the most current pricing information.

Free

$0/month

Plan Features

  • Up to 7,000 active users
  • Unlimited logins
  • Social login
  • Basic customization

B2C Essentials

$230/month

Plan Features

  • Everything in Free
  • Custom domains
  • Multi-factor authentication
  • Email support

B2C Professional

$1,400/month

Plan Features

  • Everything in B2C Essentials
  • Phone support
  • Advanced security features
  • Customizable rules and hooks

Enterprise

Contact Sales

Plan Features

  • Dedicated support
  • Compliance certifications
  • Custom SLAs
  • Advanced security intelligence

Common Questions

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