B2B SaaS

# Secure your identity in a single day

Deploy enterprise-ready SSO, FGA, and delegated admin fast with a unified identity layer.

- [Get a demo](https://auth0.com/contact-us)
- [Try Auth0 for free](https://auth0.com/signup)

## Auth0’s identity foundation reduces OpEx

### Scale faster without system redesign
Auth0 supports complex enterprise account structures by isolating tenant data, [customizing login flows](https://auth0.com/platform/authentication), and helping secure [machine-to-machine](https://auth0.com/features/machine-to-machine) API access at scale without adding operational overhead.

### Reduce onboarding friction & delays
Give your enterprise clients the autonomous tools to instantly configure [SSO](https://auth0.com/features/single-sign-on), verify domain ownership, and synchronize user directories via SCIM or Google Workspace.

### Enable customer admins
Deliver custom in-app administrative experiences with My Organization API, or embed our pre-built, white-labeled components. Customer admins can self-serve, so your team can rapidly scale.

### INTEGRATIONS
**Win enterprise deals with instant identity readiness**

Large buyers evaluate your app against strict identity checklists. With Auth0, you get immediate access to the [Okta Integration Network (OIN)](https://www.okta.com/integrations/) out of the box—giving you instant visibility to 17,000+ enterprise buyers.

[Augment Code accelerates onboarding](https://auth0.com/resources/videos/augment-code-accelerates-onboarding-with-express-configuration)
[Jamf delivers enterprise readiness](https://auth0.com/resources/videos/jamf-and-auth0-enterprise-integrations-with-express-configuration)

## Auth0 works with the tools & partners behind your enterprise stack

### Developer-first tooling
Build faster and scale seamlessly using Auth0's pre-built APIs, SDKs, and developer tools.
[Explore tools](https://developer.auth0.com/)

### Secure AI agents
Carry context, fine-grained authorization (FGA), and tenant boundaries directly into your app's APIs and autonomous AI agent workflows.
[Explore Auth for AI Agents](https://auth0.com/ai)

### Security & enterprise partners
Connect directly with tools your customers rely on.
[Explore partners](https://auth0.com/partners)

## Learn more


## Frequently asked questions

### How does Auth0 handle complex B2B user roles and permissions?

Auth0 supports [Role-Based Access Control](https://auth0.com/docs/manage-users/access-control/rbac#role-based-access-control) (RBAC) and [Fine-Grained Authorization](https://auth0.com/fine-grained-authorization) (FGA) out of the box. Teams can define granular access permissions across multi-tenant environments, helping ensure users and connected systems only reach the specific APIs, data, and workflows assigned to their role.

### Can we customize and white-label the login experience per customer?

Yes. Auth0 supports full white-labeling and [domain customization](https://auth0.com/docs/customize/custom-domains#custom-domains) per enterprise account. Teams can deliver custom branding, localized login screens, and distinct authentication policies tailored to each customer organization's requirements.

### How does Auth0 help our platform pass enterprise security audits?

Auth0 supports [compliance with standards](https://security.okta.com/) including SOC 2 Type II, ISO 27001, HIPAA, and GDPR. Built-in audit logging, credential protection, and centralized access controls give security teams the visibility and documentation needed to pass customer security reviews.

### Can we connect Auth0 to our existing database or custom identity store?

Yes. Auth0 supports [custom database connections](https://auth0.com/docs/authenticate/database-connections/custom-db) and legacy system integrations. Teams can migrate users gradually or connect to existing user stores without forcing end users to reset passwords or disrupting current application workflows.

### How does Auth0 support machine-to-machine (M2M) and API security?

Auth0 provides dedicated API authorization using [OAuth 2.0](https://auth0.com/docs/get-started/identity-fundamentals/identity-and-access-management#oauth-2-0) standards and [JSON Web Tokens](https://auth0.com/docs/secure/tokens/json-web-tokens#json-web-tokens) (JWTs). Teams can help secure communication between microservices, external partner APIs, and automated tools while enforcing strict rate limits and scopes.

### Does Auth0 support B2B social login?

Yes, Auth0 allows B2B SaaS applications to offer [social login](https://marketplace.auth0.com/categories/social-login) options, such as LinkedIn or Google, alongside enterprise [SSO](https://auth0.com/features/single-sign-on). This flexibility is ideal for B2B products that cater to smaller businesses or freelancers who may not have a centralized corporate identity provider, helping ensure a frictionless signup and login experience for all user segments.