Clerk Integration

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Why Clerk?

• Secure sign-in & sign-up (social, password, MFA)
• Prebuilt UI components: user profiles, org management, impersonation
• Support for B2B apps (teams, roles, invitations)
• Integration with Supabase, Stripe (coming soon), and more
• Waitlist mode to manage early access
• Generous free tier: 10K MAUs

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Step-by-Step Integration Guide

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Set Up Your Clerk App

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Step 1

Create a Clerk Account → Clerk.com

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Step 2

In the Clerk dashboard, create a new app

1

Step 1

Sign in to Clerk & create a new app

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Step 2

Enable desired authentication providers (e.g. Google, GitHub)

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Step 3

Enable “Waitlist” under Configure > Restrictions

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Step 4

Copy your Public API Key

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Step 3

Add Clerk to Your Lovable App

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Step 1

In Lovable, add Clerk as your authentication provider.Prompt Lovable:

Let’s build a beautiful project and task management app in the style of Asana. Users should be able to login and signup using Clerk for authentication and user management. Let’s start by building a great looking homepage and use Clerk’s waitlist component to let users join while we build the rest of the app.

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Step 2

Paste your Public API Key when asked

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Step 3

Lovable scaffolds the login and sign-up pages

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Step 4

Deploy & test — you’re now using Clerk Auth

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Activate Waitlist Mode (Optional)

Why use a waitlist? – Gather early users before launching your app!

Use Clerk’s built-in waitlist to collect users pre-launch.

1

Step 1

In Clerk dashboard: Configure > Restrictions > Waitlist

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Step 2

New sign-ups will show as pending

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Step 3

• Users who sign up will now be pending approval
• Admins can approve users from the Clerk dashboard

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Step 4 (Bonus)

Customize waitlist emails (branding, content)

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Managing Users & Teams in Clerk

Set up team-based access in your app.

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Step 1

In Clerk dashboard: enable Organizations

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Step 2

Define roles (Admin, Member, Viewer, etc.)

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Step 3

Invite users to your org by email

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Step 4

Assign roles and permissions via dashboard

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Step 5

Prompt Lovable to:

Ask users to create/join an organization after sign-up

Using Clerk’s User Profile Component

• Provides a prebuilt user management dashboard
• Supports social logins & password authentication
• Users can manage their own accounts & 2FA

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Impersonation Mode (For Admins)

What is Impersonation Mode?Admins can log in as any user to troubleshoot issues

Troubleshoot your app as if you were a specific user.

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Step 1

In Clerk dashboard > Users, click on a user

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Step 2

Click Impersonate

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Step 3

View your app from their perspective

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Step 4

Security: impersonators can’t perform sensitive actions (e.g. change password)

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Integrate with Supabase (Advanced)

Combine Clerk Auth with Supabase backend.

Why integrate with Supabase?

• Store user data in a database
• Secure authentication with JWT tokens
• Connect authentication to app features

How to integrate:

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Step 1

In Supabase, go to Settings > API > JWT Secret (documentation)

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Step 2

In Clerk: JWT Templates > Add Supabase, paste JWT secret

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Step 3

Enable Clerk as an authentication providerUpdate RLS policies to use auth.uid() from ClerkPrompt Lovable to:

Let’s setup supabase to integrate with Clerk. Clerk has been configured with a Supabase secret. Here’s an example of implementing the supabase client using Clerk. Use this as a reference.[Supabase client configuration import]

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Step 4

Confirm Clerk-issued tokens are accepted by Supabase

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Add a Custom Domain (Optional)

Why use a custom domain?Boosts brand recognition & trustMore information here.

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Step 1

In Lovable: Settings > Custom Domain

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Step 2

Enter your purchased domain (e.g. app.yourcompany.com)

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Step 3

Lovable auto-configures DNS (no need to leave Lovable)

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Step 4

Deploy & test your app with the new domain.

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Step 5

Done ✅ — your app is now white-labeled

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Final Thoughts & Next Steps

Your app now has:

• Secure authentication with Clerk
• A waitlist to collect early users
• User & team management features
• Supabase database integration
• A professional custom domain

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Bonus: Build B2B Features in Minutes

• Role-based access for organizations
• Invite flows (email-based, pre-built UI)
• Organization profile customization (logo, name)
• Multi-org switching (e.g. Slack-style)

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Tips & Troubleshooting

• Already using Supabase Auth? You can switch to Clerk without rewriting your app logic. Just configure JWT correctly and swap auth provider.
• Email customization: Clerk lets you edit all transactional email templates (waitlist, invitations, approvals).
• Mobile login: Clerk supports passkeys, OTP, and SMS — no extra config needed in Dev Mode.
• Compliance: Clerk is SOC2, HIPAA, and GDPR compliant.

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Frequently Asked Questions (FAQ)

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Final Thoughts

• Secure, scalable authentication
• Team & organization management
• Impersonation tools for debugging
• Supabase-backed data and access control
• Custom domain support for a polished UX