Secure AI Agent & User Authentication | Auth0
Convert, protect, & personalize every journey
Auth0 makes every login effortless, so fewer customers walk away. It helps stop fraud behind the scenes and keeps users recognized across your sites, apps, and AI-assisted touchpoints.
Identity for the entire customer lifecycle
B2C B2B
Sign up
Evaluation
Login
Onboarding
Checkout
Expansion
Agentic Experience
Agentic Readiness
Convert
Convert more customers through secure and easy sign up.
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Protect
Protect revenue by stopping fraud without adding unnecessary friction.
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Personalize
Build lifetime value and loyalty with personalized experiences across every channel.
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Grow
Grow the relationship by carrying trusted customer context into AI-assisted experiences.
Explore B2C Solutions
Win
Close deals faster with enterprise grade identity including enterprise federation, compliance and access controls.
Explore B2B SaaS
Accelerate
Accelerate time-to-value by removing onboarding friction so customers go-live faster.
Explore B2B SaaS
Scale
Scale adoption and expansion easily by letting customers self-manage their organizations, user roles, and access.
Explore B2B SaaS
Evolve
Adapt to market demands by adding secure agentic experiences to your platform.
Explore B2B SaaS
Built for what you're building
AI Agents, B2C Apps & Platforms, Enterprise B2B SaaS, Machine Identities and APIs
Ship AI agents faster, without losing control
Give AI agents verifiable identities through pre-built SDKs, and control their access to RAG data sources and MCP tools. Authorize your agents to hit paid external services and fetch sensitive data, while keeping a human in the loop for critical transactions.
Featured capabilities
- User authentication
- Token Vault
- Auth for model context protocol (MCP)
- Asynchronous authorization
- Agent as Principal
- Fine-Grained Authorization (FGA) for retrieval-augmented generation (RAG)
Drive sign-ups with frictionless authentication
Don't let a clunky login screen block growth and revenue. Deploy passwordless, social logins, and adaptive MFA to boost conversion, and safely delegate access so agents can act on a user's behalf.
Featured capabilities
- Passwordless
- Adaptive Authentication
- AI Identity for Commerce
- Embedded Login
- Progressive Profiling
- Bot Detection
Explore B2C customer identity solutions
Build enterprise-ready auth without the headache
Stop burning sprints on custom SAML just to close a contract. Power your B2B SaaS with enterprise SSO and SCIM, manage multi-tenancy support, and enforce fine-grained permissions for both human users and AI agents.
Featured capabilities
- Enterprise Connections
- Tenancy-as-a-Service
- AI Identity for B2B
- My Organization API and Embeddable UI Components
- Organizations
- Fine-Grained Authorization (FGA)
- Self-Service Enterprise Configuration
Secure machine identities & APIs at scale
Don't let long-lived API keys and sprawling service credentials become a compliance liability and attack surface. Issue short-lived tokens via the Client Credentials flow, rotate signing keys automatically through JWKS rotation, and keep every service access auditable and revocable.
Featured capabilities
- M2M authentication
- Fine-Grained Authorization (FGA)
- Signing Key Rotation
- API Authorization
- Private Key JSON Web Token (JWT) & mutual TLS (mTLS) Client Authentication
View internal app security features
Built for industries that can’t afford to slow down
Identity complexity shouldn’t be what holds your industry back. Auth0 removes the overhead so your teams can focus on the innovation that drives growth.
Retail
Modernize omnichannel retail journeys to foster loyalty, boost conversion, and better secure every shopper—from human to AI.
Financial Services
Reduce fraud, streamline onboarding, and ship governed AI agents with more secure, personalized financial experiences.
Healthcare
Power patient, caregiver, agent, and clinician access across your systems—ship faster without rebuilding identity.
Technology, Media & Entertainment, & Telecommunications
Build, secure, and seamlessly orchestrate identity with less time and effort. Meet customers’ expectations for highly tailored, available, convenient, and trustworthy experiences.
Manufacturing
Power smart IoT and AI innovation on the factory floor through more secure identity for your customers and supply chain.
Integrate auth into any stack in minutes
Use our 30+ SDKs and Quickstarts to integrate auth into any language or framework.
You’re in great company
McLaren achieved 100% growth of partner users thanks to the scalability of Auth0
“We’re excited by the partnership with Auth0, not only because there’s a really strong alignment of brands, but because we believe in the technology. The fact we’ve chosen it for these two very visible footprints across B2B and B2C is testament to the importance of this relationship.”
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“Our first-of-its-kind platform reduces the time and expense required for data acquisition, allowing organizations to focus on analyzing and leveraging data to drive innovation and success.”
Ardy Naghshineh
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“Auth0 was an enterprise-ready solution for us, fulfilling all our main criteria: flexibility, customization, security, and centralized management of the whole system. It was a perfect fit.”
Thomas Mueller-Lynch
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“Developers who were spending a lot of time working on authentication and all the services around it are now working on features... that benefits our customers in a visible way.”
Scott Scherer
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Why CLAAS Trusts Auth0 for robust identity solutions
“Everything we need related to identity is already pre-built in the Management API of Auth0. We expect big growth in the future as we integrate many more applications.”
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“We were able to get a working username and password setup going within a couple of hours – at a time when even a couple of hours could be critical to our survival – and it has successfully flexed with us through countless iterations and launches since.”
Joshua Essex
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