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Authentication & User Management

Clerk

Complete authentication and user management, sign-in, sign-up, organizations, billing, and more, integrated in minutes.

clerk.com ↗
100
AI Readiness

Clerk is an authentication and user management platform that provides full-stack auth, prebuilt UI components, and developer SDKs for modern web and mobile frameworks.

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Producto

Clerk provides drop-in UI components, SDKs, and APIs for authentication, profile management, organization (multi-tenant) management, and subscription billing. It supports social sign-on, passwordless flows, MFA, SAML/OIDC enterprise connections, and machine-to-machine authentication, all with built-in security features like bot detection, fraud prevention, and SOC 2 Type 2 compliance.

Problema que resuelve: Building authentication from scratch is time-consuming, error-prone, and hard to keep secure. Clerk replaces custom auth code with production-ready components and APIs so developers can focus on their core product.

Para: SaaS developers and startups, B2B application builders needing multi-tenancy, B2C app developers needing user management, Teams building on Next.js, React, Expo, Astro, and other modern frameworks, Enterprises requiring SAML/OIDC SSO and compliance

Casos de uso

Features (12)

Prebuilt UI Components◦

Drop-in React components for sign-up, sign-in, user profile, organization management, and billing that can be customized with any CSS library and deployed to a custom domain.

Social Sign-On (SSO)◦

Add social sign-in with 20+ providers (Google, GitHub, Facebook, etc.) to an application in minutes.

Multifactor Authentication (MFA)◦

Users can enable MFA with authenticator apps, SMS codes, and backup codes; settings are enforced automatically during sign-in.

Organization Management (Multi-tenancy)◦

Full B2B multi-tenant support including organization creation, member invitations, custom roles and permissions, auto-join by email domain, and organization UI components.

Subscription Billing◦

Drop-in billing components (PricingTable, checkout) to add subscription plans to B2C or B2B apps without writing payment code, custom UI, or managing webhooks.

Bot Detection & Fraud Prevention◦

Built-in, continuously updated machine learning to block fraudulent sign-ups, disposable email addresses, and email subaddress abuse.

Session Management◦

Full session lifecycle management including active device monitoring, session revocation, simultaneous sessions, and configurable session duration.

Machine Authentication (API Keys & M2M Tokens)◦

Allows users to create API keys that delegate access to an application's API, and supports machine-to-machine tokens for backend service authentication.

Enterprise Connections (SAML/OIDC/EASIE)◦

Supports enterprise SSO via SAML, OIDC, and EASIE protocols for connecting with identity providers.

Magic Links & Passkeys◦

Passwordless authentication via magic links sent to email, and passkey authentication for any supported passkey form factor.

MCP Server◦

Adds secure, consent-driven access to an application backed by Clerk's authentication and authorization, enabling AI agent integrations.

Waitlist◦

Collect signups and control access to new products or features before launch through a simple, integrated workflow with a prebuilt <Waitlist /> component.

Pricing

Hobby

◦

0/month

  • · Unlimited applications
  • · APIs and prebuilt UIs for sign-up, sign-in, and user profile
  • · Custom domain
  • · Account lockout / brute-force protection
  • · Bot protection
  • · Block email subaddresses and disposable email addresses

Pro

◦

25/month

  • · Everything in Hobby
  • · Remove Clerk branding
  • · Unlimited social connections
  • · Passkeys
  • · Custom password requirements
  • · Custom email templates

Business

◦

300/month

  • · Everything in Pro
  • · SOC2 report
  • · HIPAA compliance
  • · Priority email support
  • · GDPR / DPAs

Integraciones (10)

SupabaseConvexVercelNext.jsReactExpoReact RouterTanStack React StartAstroStripe

Documentación

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AI Ready on Rootbase
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<a href="https://rootbase.space/company/clerk"><img src="https://rootbase.space/company/clerk/badge.svg" alt="AI Ready on Rootbase" height="28"></a>
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Consultar por API / MCP

Este profile es consultable por agentes. Datos verificados el 2026-08-15 · versión 1.

GET  /v1/company/clerk
GET  /v1/company/clerk/pricing
POST /v1/query        { "company": "clerk", "query": "..." }
MCP  /api/mcp         get_company · query_company · discover_companies

Fuentes