Logto

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Logto is an open-source authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1. It simplifies secure, production-ready auth with multi-tenancy, SSO, and RBAC.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Yes

Skill level

Technical

About

What is logto?

Logto provides a modern, open-source authentication and authorization infrastructure specifically designed for SaaS and AI applications. It eliminates the complexities of OIDC and OAuth 2.1, enabling developers to easily build secure, production-ready authentication systems. Key features include multi-tenancy, enterprise SSO, and RBAC, all ready to use without workarounds. Logto offers pre-built sign-in flows, customizable UIs, and SDKs for over 30 frameworks, ensuring broad integration capabilities. It fully supports OIDC, OAuth 2.1, and SAML, and works out-of-the-box for Model Context Protocol and agent-based AI architectures. Users can get started quickly with Logto Cloud for a fully managed experience, launch Logto OSS in GitPod, or set it up locally using Docker Compose or Node.js.

Best used for

Ideal for developers and startup founders who need to build secure authentication for SaaS applications, implement robust authorization with multi-tenancy, and integrate enterprise SSO. Especially valuable for those developing AI and agent-based platforms requiring modern, open-source identity management.

Common actions

implement authentication

manage user authorization

secure AI applications

integrate SSO

build multi-tenant apps

workflowscollaborationlow-code/no-codeopen-sourcedeepfakeautomated workflow"AI Agents"github copilotface swapping

Capabilities

Key features

Multi-tenancy
Enterprise SSO
Role-Based Access Control
Customizable sign-in flows
SDKs for 30+ frameworks
OIDC and OAuth 2.1 support
SAML support

Target Audience

developerstartup founder

Integrations

googlefacebookazure-adokta

Pricing & Plans

Open Source

Free

FAQs

What authentication protocols does Logto support?

Logto provides full support for industry-standard protocols including OIDC (OpenID Connect), OAuth 2.1, and SAML. This ensures broad compatibility and flexibility for integrating with various applications and identity providers.

Can Logto be used for AI and agent-based applications?

Yes, Logto is specifically built to work out-of-the-box for Model Context Protocol and agent-based AI architectures. It provides the necessary authentication and authorization infrastructure for these modern application types.

How can I get started with Logto?

You can start with Logto Cloud for a fully managed, zero-setup experience, or launch the open-source version in GitPod for quick testing. For local development, you can use Docker Compose or Node.js with PostgreSQL.

Does Logto offer SDKs for popular frameworks?

Logto provides SDKs for over 30 frameworks, including React, Next.js, Angular, Vue, Flutter, Go, and Python. This allows for flexible integration across various types of SPAs, web apps, mobile apps, and APIs.

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AI Agents & Automation › AI Frameworks & Infra

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