auth
Auth0
Customer identity platform from Okta
Enterprise-grade customer identity: universal login, MFA, passwordless, SSO (SAML/OIDC), Actions, Organizations, fine-grained authz. Owned by Okta.
Pricing
| Tier | Price | Notes |
|---|---|---|
| B2C Essentials | $35/mo | Starting at 500 MAUs. Pro MFA, RBAC, passwordless, SAML, 10 orgs. |
| B2B Essentials | $150/mo | Unlimited orgs, 3 SSO connections, RBAC. |
| B2C Professional | $240/mo | Starting at 500 MAUs. Includes attack protection, custom DB, enterprise MFA. |
| B2B Professional | $800/mo | 5+ SSO connections, attack protection, custom DB. |
| Enterprise | Custom | Custom. 99.99% SLA, dedicated support. |
Limits
| Tier | Metric | Value | Notes |
|---|---|---|---|
| — | actions triggers | login, post-login, post-password-change, pre-user-registration, credentials-exchange, post-change-password, post-challenge-mfa, iga-*, send-phone-message | Auth0 Actions trigger points |
| — | mau tiered pricing | scales with MAU | Pricing increases with MAU; contact sales for volumes |
| — | tenants per account | 1 tenant | Default; extra tenants available on Enterprise |
| — | universal login | included | Hosted login page, customizable |
| b2b-essentials | sso connections | 3 conns | B2B Essentials SSO included |
| b2b-professional | sso connections | 5 conns | B2B Professional SSO included |
| b2c-essentials | mau start | 500 MAU | B2C Essentials MAU base |
| b2c-essentials | sso connections | 0 conns | B2C Essentials — no dedicated SSO (via enterprise connections) |
Features
- Attack Protection — Bot detection, brute-force protection, breached-password detection, suspicious IP throttling. · docs
- Auth0 Actions — Node.js + TS hooks that run during auth flows (login, post-login, signup, MFA). Secrets, modular, testable. · docs
- Auth0 FGA (OpenFGA) — Fine-grained relationship-based authorization (ReBAC). Based on Google Zanzibar. · docs
- Custom Database — BYO user DB: scripts in Actions read from your database and create Auth0 users on first login. · docs
- Custom Domain — Serve auth at auth.yourbrand.com with managed cert. · docs
- Enterprise SSO — SAML 2.0 + OIDC + AD/LDAP enterprise connections. Per-tenant or per-org. · docs
- Log Streaming — Stream tenant logs to Datadog, Splunk, Sumo Logic, Azure Sentinel, HTTP, Mixpanel, New Relic, Segment. · docs
- Machine-to-Machine — Client-credentials grant for backend services. · docs
- Multi-Factor Auth — SMS, Voice, Email, TOTP, WebAuthn (biometrics), Push (Guardian app), Duo. · docs
- Organizations — Multi-tenant B2B: orgs with invitations, roles, branding, enterprise connections per org. · docs
- Passkeys — FIDO2/WebAuthn passkey sign-in. · docs
- Passwordless — Email magic link + code, SMS code, WebAuthn. · docs
- RBAC — Roles, permissions, API scopes — attach to users or orgs. · docs
- Universal Login — Hosted login page with customization, multi-factor flows, passwordless, social, enterprise SSO. · docs
Developer interfaces
| Slug | Name | Kind | Version |
|---|---|---|---|
| sdk-android | Auth0 Android | sdk | 3.x |
| cli | Auth0 CLI | cli | 1.x |
| sdk-ios | Auth0 iOS/Swift | sdk | 2.x |
| sdk-nextjs | @auth0/nextjs-auth0 | sdk | 4.x |
| sdk-react | Auth0 React SDK | sdk | 2.x |
| sdk-js | Auth0 SPA.js SDK | sdk | 2.x |
| auth-api | Authentication API | rest | — |
| sdk-go | Go Auth0 SDK | sdk | 1.x |
| mgmt-api | Management API | rest | v2 |
| sdk-node | Node Auth0 Backend SDK | sdk | 4.x |
| sdk-python | Python Auth0 SDK | sdk | 4.x |
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Staxly is an independent catalog of developer platforms. Outbound links to Auth0 are plain references to their official pages. Pricing is verified at publication time — reconfirm on the vendor site before buying.