Passwords are still common, but they are not always the simplest login experience.
A magic link allows a user to receive a login link by email.
The flow looks like:
Enter email
↓
Magic link sent
↓
Open email
↓
Click link
↓
Authenticated
Why Use Magic Links?
Magic links can be useful for:
- SaaS products
- Customer portals
- Internal tools
- Lightweight applications
The user does not need to remember another password.
Email Configuration
Email delivery becomes an important part of the system.
In production, configure the appropriate email provider and sender settings.
Redirect URLs
After clicking the link, users need to return to the correct application URL.
Make sure production redirects are configured correctly.
Expiration
Authentication links should have an appropriate lifetime.
Short-lived authentication links reduce the risk associated with old links.
User Experience
A simple login page might contain:
Email address
[ Continue ]
Check your inbox for a sign-in link.
Keep the experience clear.
Production Testing
Test the complete flow using the production domain.
Check:
- Email delivery
- Link opening
- Redirect
- Session creation
- Expired links
- Mobile email clients
Final Thoughts
Magic-link authentication can make login simpler for users.
Supabase provides the authentication infrastructure while your application controls the surrounding user experience.