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Exclusive offer for Stripe Atlas users

Atlas users get 50% off Clerk Pro for their first year

Clerk helps startups launch and scale faster with drop-in authentication, organization & user management, subscription billing and more to help you launch faster and scale securely.

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Trusted by fast-growing companies around the world.

    • Browserbase
    • Inngest
    • Profound
    • Browserbase
    • Braintrust
    • Durable
    • OpenRouter
    • Braintrust
    • Higgsfield
    • Upstash
    • Samaya AI
    • Higgsfield
    • Consensus
    • Cartesia
    • David AI
    • Consensus

Clerk Components

Pixel-perfect UIs, embedded in minutes

Drop-in UI components for authentication, profile management, organization management, and billing. Match to your brand with any CSS library, then deploy to your own domain.

Explore all components

Add user <SignUp/> and <SignIn/>, provide account access through a dropdown menu, and manage profile and security settings.

Clerk user button component displaying the profile picture of the signed-in user.
Clerk user button component expanded to display account switcher, manage account, and sign out options.
Clerk user profile component with options to manage profile and security settings.
Clerk create organization component with input fields for logo, name, and slug.
Clerk pricing table component displaying the name, price, and features for a plan, with a button to subscribe.
Clerk waitlist component with an input field for email address and a button to join the waitlist.
Clerk sign up component with input fields for first name, last name, username, email, phone number, and password.
Clerk sign in component with options to authenticate using Google, GitHub, or email.
Clerk organization switcher component expanded to display a list of available organizations and a button to create a new organization.
Clerk organization profile component with options to manage the profile and member settings.
Clerk organization list component showing a list of available organizations, with buttons to create a new organization or join an existing organization.
Clerk user profile component with options to manage profile and security settings.
Clerk organization profile component with options to manage the profile and member settings.

B2B Authentication

The easy solution to multi-tenancy

Clerk has all the features you need to onboard and manage the users and organizations of your multi-tenant SaaS application.

Explore B2B features

Custom roles and permissions

Powerful primitives to fully customize your app's authorization story.

Auto-join

Let your users discover and join organizations based on their email domain.

Invitations

Fuel your application's growth by making it simple for your customers to invite their team.

Organization UI Components

Clerk's UI components add turn-key simplicity to complex Organization management tasks.

Billing

Subscription billing without the headache

Every SaaS startup needs a way to charge customers. Clerk Billing simplifies subscription billing and connects directly with your Stripe account – no payment integration code to write, no UI work, and no webhooks.

Learn more about Clerk Billing
<PricingTable />
Current plan
Starter
For personal use
$9
/ month
Monthly
Annually
Start 14-day trial
Subscribed
Start 14-day trial
AI assistant
Unlimited files and projects
Workspaces
Advanced reporting
Task reminders
Custom themes
30-day analytics retention
Priority Slack support
User
Brooke Millie
Email address
brooke@example.com
User ID
user_54UHj87K09LKkju09877s87YU
Joined
August 5, 2024
Subscription
Plan
Starter
Free trial
Status
Active
Amount
$9
Features
AI assistant
Workspaces
Task reminders
Custom themes
Brooke

User authentication

Everything you need for authentication

Ever feel like authentication requirements change with the season? Clerk keeps up with the latest trends and security best practices.

Explore user authentication

Multifactor Authentication

Each user's self-serve multifactor settings are enforced automatically during sign-in.

Fraud and Abuse Prevention

Reduce fraudulent sign-ups and free trial abuse by blocking high-risk disposable email domains and restricting the use of email subaddresses with the “+” separator.

Advanced security

Clerk is SOC 2 type 2 compliant and CCPA compliant. We conduct regular third-party audits and penetration tests.

Session Management

Clerk manages the full session lifecycle, including critical security functionality like active device monitoring and session revocation.

Social Sign-On

Add high-conversion Social Sign-on (SSO) to your application in minutes. 20+ options and growing.

Bot Detection

Dramatically reduce fraudulent sign-ups with built-in, continually updated machine learning.

Email and SMS one-time passcodes

Fast and reliable one-time passcode delivery with built-in brute force prevention.

Magic Links

Improve sign-up conversion rates and filter out spam/fraud with Magic Links.

Passwords

Simple and secure password authentication, complete with breach detection and recovery options.

API Keys

Beta
Give every user secure, production-ready API keys without
building any of the underlying boilerplate code or UI.

MCP Server

Add secure, consent-driven access to your app with Clerk's MCP Server, all backed by Clerk's authentication and authorization.

What people are saying

Trusted by startups and the world's largest companies

Join the growing number of customers and champions who trust Clerk for authentication and user management.

  • The best practices built-in to their <SignIn/> and <UserProfile/> components would take months to implement in-house, yet no sacrifice is made in terms of Enterprise extensibility or customization to your brand.

    Name
    Guillermo Rauch
    Role
    CEO
    Company
    Vercel

  • Clerk feels like the first time I booted my computer with an SSD. It’s so much faster and simpler that it changed how I do things.

    Name
    Theo Browne
    Role
    CEO
    Company
    Ping Labs

  • After spending many hours on auth issues that seemed simple (but were not), we moved to Clerk and all that burden was lifted. We kind of wish we’d made that decision earlier.

    Name
    Julian Benegas
    Role
    CEO
    Company
    BaseHub

  • Clerk let us spin up a new product in hours instead of weeks. As a company that deeply values developer velocity— Clerk is exactly what we needed.

    Name
    Kevin Van Gundy
    Role
    CEO
    Company
    Hypermode

  • We’re big admirers of what the @clerk team are building and looking forward to working more closely with them.

    Name
    Patrick Collison
    Role
    CEO
    Company
    Stripe

  • Clerk’s integration gives Supabase developers another incredible option for handling authentication. And the Clerk team are a pleasure to work with.

    Name
    Paul Copplestone
    Role
    CEO
    Company
    Supabase

  • We were able to ship MFA, SSO, and SAML for our customers in a fraction of the time. Now, we have improved security and must-haves for enterprise prospects.

    Name
    Dan Farrelly
    Role
    CTO
    Company
    Inngest

  • Managed to integrate AppSync with @clerk over the weekend. Implementing a Lambda authorizer with Clerk’s Go SDK was super easy.

    Name
    Mathias Lafeldt
    Role
    Founder
    Company
    Grafbase

Exclusive offer for Stripe Atlas users

Claim your discount and start building

Apply now to claim your Atlas discount and fast-track your launch with Clerk’s comprehensive user management platform.

Claim offer