Logto
A modern authentication platform designed for SaaS, AI agents, CLI workflows, and MCP servers. Logto enables secure user authentication with first-class support for machine-to-machine tokens, personal access tokens, and API keys—allowing both humans and headless agents to authenticate and call APIs securely with multi-tenancy and organization-aware tokens.
Overview
| Category | Auth |
| Self-Hostable | No |
| On-Prem | No |
| Best For | startup, growth, enterprise |
| Last Verified | 2026-02-13 |
Pricing
| Model | tiered |
| Free Tier | Up to 50,000 MAU, 50K tokens, User authentication, Machine-to-machine app, Account APIs for account settings, Audit logs and user management
|
| Unit Price | $0.08 / MAU/tokens |
| Source | pricing page |
Plans
| Plan | Monthly | Yearly | Includes |
|---|---|---|---|
| Free | $0 | $0 | Up to 50,000 MAU, 50K tokens |
| Pro | $24 | $0 | 50K free tokens, Role-based access control, Organizations (Multi-tenancy), Multi-factor authentication, Enterprise SSO |
| Enterprise | $0 | $0 | Custom resource quota, Custom data region, Dedicated computing resources, Service-level agreement (SLA), Premium support, Migration support |
Strengths & Weaknesses
Strengths:- dx
- security
- performance
When to Use
Best when:- building SaaS with agents
- need multi-tenancy and organization support
- require M2M tokens for CLI and background jobs
- agent-heavy workflows with protocol coverage
- need personal access tokens or API keys for developers
- budget under $24/mo and need enterprise features
- require on-premises or self-hosted deployment