Protocols that work
OAuth 2.1, OIDC, SAML. Auth, SSO, RBAC.
Any app, anywhere
From local to cloud. From web to mobile. From one app to many.
No billing surprises
50K MAUs free. Token-based. Pay-as-you-go.
Built for devs
Open-source. Fast integration. Developer-first support.
Millions of identities. Proven reliability.
Trusted by public companies, fast-growing startups, and government agencies.
For builders who hate rebuilding auth
Tired of duct-taping auth across your SaaS, AI agents, and B2B apps? Logto got you covered.
Sign-in experience
Email and SMS passwordless
Passwordless that feels obvious: one-time codes via email or SMS.
Password authentication
At least 3 types of characters are required.
Still the default. Still what users expect.
Multi-app omni sign-in experience
One sign-in flow. Every app. Looks native. Works everywhere. Zero friction.
Security and control
Multi-factor authentication
MFA in minutes. Passkeys, authenticator apps, backup codes.
Role-based access control
Set rules, control access. RBAC for global and organization-level resources.
Advanced flows
Multi-tenancy (organizations)
Multi-tenancy that scales. Group users, manage resources, permission everything.
Machine-to-machine authentication
M2M made simple. APIs, microservices, devices, all locked down.
Impersonation
Troubleshoot like a hero. Safely impersonate users, fix issues fast.
Personal access token (PAT)
Expires at 08/20/2077 23:45
PATs for scripts, bots, and pipelines. No messy sign-ins, just clean access.
Works out of the box with 20+ frameworks and clean Management API
Grow and scale without security debt
Integrate Logto
Add Logto. Up and running in minutes.
Idea and proof of concept
Build fast. Test faster. Validate your idea with Logto.
A single app
Secure your app. Focus on shipping, not auth.
Multi-app structure
Handle multiple apps. Manage everything, scale cleanly.
Sell to enterprises
Ready for enterprise. SSO, compliance, and support baked in.
Secure identities at every stage of your product
- Any stage
- Any model
- Any stack
Launching your first app? Expanding to multi-product? Selling to enterprise? Logto handles auth and SSO. No matter where you are.
Built for trust. Audited for security.
Standards & Privacy Compliant
Logto is SOC 2 Type II certified: proof we take security, uptime, and data privacy seriously.
- Open-source
- Self-hosting ready
- Role-Level Security
- Argon2 password hashing
- High availability
- Community-driven
- Data protection
- TLS everywhere
- Data isolation
- Database encryption
Logto Cloud runs in EU 🇪🇺, Australia 🇦🇺, US 🇺🇸, and Japan 🇯🇵 regions. With DevSecOps, advanced encryption, and rock-solid data isolation.