What is
Auth0
?
Most platform initiatives fail the same way: they start too big, get funded like projects instead of products, build for too long without testing with users, and confuse renaming an infrastructure team with building a platform team. Instead, start small, learn fast and scale deliberately.
At a glance
Attribute | Details |
|---|---|
Primary use case | Customer authentication and authorization for applications, APIs, and AI agents |
Deployment type | SaaS/cloud API |
Pricing model | Monthly active user-based pricing with a free tier, paid subscription plans, and custom enterprise pricing |
API compatibility | OAuth 2.0, OpenID Connect (OIDC), SAML, SCIM, MCP authentication, JWT, JWKS, mTLS, Auth0 Authentication API, Auth0 Management API |
Supported integrations | Qlik Sense, CLEAR1, enterprise identity providers, social login providers, MCP tools, RAG data sources |
Source type | Closed |
Ideal team size | Small teams to enterprises |
Onboarding time | Minutes for basic login setup; advanced implementation varies |
Required skills | Application development, SDK/API integration, authentication and authorization configuration, OAuth 2.0 and OpenID Connect |
AEP branch | Tooling |
AEP category | Security Plane |
AEP subcategory | ID Management |
Profile
ID Management is Auth0's AEP placement: Auth0 provides authentication and authorization services that developers integrate into applications, APIs, and AI-agent experiences. Its capabilities include user login, enterprise identity connections, API authorization, and machine identity management.
Focus
Auth0 serves teams building customer-facing applications and B2B SaaS, as well as teams securing APIs and AI agents. It addresses the need to authenticate users and services, manage access to protected resources, and support identity features such as enterprise SSO, SCIM, and fine-grained permissions.
Background
The supplied research does not establish Auth0's founding date, funding history, or open-source contributions, so no company-history claims are included.
Features
User authentication
Auth0 supports login experiences for customers using passwordless and social login options, with adaptive multi-factor authentication available to help secure sign-ins. Developers integrate authentication using Auth0 SDKs and its Authentication API; basic login setup is described as taking minutes.
AI agent identity and authorization
Auth0 provides capabilities for assigning verifiable identities to AI agents and controlling their access to data and tools. Pre-built SDKs support agent identity, while authorization capabilities can control access to RAG data sources and MCP tools and support agent actions on a user's behalf, including human oversight for critical transactions.
Enterprise identity for B2B SaaS
Auth0 helps SaaS teams support enterprise customers and manage organizational access. Its capabilities include enterprise SSO connections, SCIM, multi-tenancy support, organization management, self-service enterprise configuration, and fine-grained authorization for users and AI agents.
Machine identity and API security
Auth0 provides authentication and authorization capabilities for services accessing APIs. The platform supports short-lived tokens through the Client Credentials flow, automatic signing-key rotation through JWKS, and private-key JWT and mTLS client authentication.
Identity platform performance and security
Auth0 reports 23 billion+ authentications per month and 99.99% uptime over 12 months, as indicated at trust.okta.com. The site also reports 3 billion+ attacks blocked per month across the combined Auth0 and Okta platforms.
Pros and cons
Pros
Supports multiple authentication approaches, including passwordless login, social login, and adaptive MFA.
Provides enterprise identity capabilities including SSO, SCIM, organization management, and fine-grained authorization.
Offers mechanisms for service identity and API security, including Client Credentials tokens, JWKS signing-key rotation, private-key JWT, and mTLS.
Includes capabilities designed for AI agents, including agent identity and access control for RAG data sources and MCP tools.
Reports 23 billion+ authentications per month and 99.99% uptime over 12 months.
Cons
Pricing is monthly active user-based, and enterprise pricing is custom; the supplied information does not state a single fixed price for all usage levels.
Basic login setup may take minutes, but advanced implementation time varies, so that basic setup estimate does not establish delivery time for more complex integrations.
The Authentication API and Management API are separate. The documentation describes the Authentication API as intended for frontends and untrusted parties, so management operations use a distinct API.
FAQs
Auth0 FAQs
How is Auth0 priced?
Auth0 uses monthly active user-based pricing, with a free tier, paid subscription plans, and custom enterprise pricing.
How many monthly active users does Auth0's free tier support?
Auth0's free tier supports up to 25,000 monthly active users.
What integrations does Auth0 support?
Auth0 supports integrations with Qlik Sense, CLEAR1, enterprise identity providers, social login providers, MCP tools, and RAG data sources.
How long does Auth0 onboarding take?
Auth0 onboarding takes minutes for basic login setup; advanced implementation varies.
What skills are required to implement Auth0?
Auth0 requires application development, SDK/API integration, authentication and authorization configuration, OAuth 2.0 and OpenID Connect.
