Key Features

Smart Domain Validation: Control which websites can submit to your waitlist by specifying allowed domains

Zero Configuration Required: Works out of the box - if you don't specify any domains, all submissions are accepted. We may automatically block if the submission does not have refer.

Built-in Safeguards: Automatically allows submissions from LaunchList domains

Benefits

  1. Better Spam Protection
    • Block unauthorized API submissions
    • Prevent bot submissions from random domains
    • Reduce spam without affecting legitimate user
  2. Mobile-Friendly
    • Automatically detects legitimate mobile submissions
    • Supports submissions from mobile apps and browsers
    • Handles privacy-focused browsers that don't send referrer information
  3. Flexible Control
    • Add multiple domains (e.g., yourdomain.com, app.yourdomain.com)
    • Support for development environments (localhost)
    • Easy to add staging/testing domains

How to Use

  1. Go to your waitlist settings
  2. Navigate to the "Blocks" section
  3. Add your allowed domains in the "Submit form from these domains" textarea
  4. Each domain on a new line (e.g., example.com, subdomain.example.com)
  5. No need to include http:// or https://

Pro Tips

  • Add both your main domain and any subdomains you use
  • Include your development domains (localhost, staging-site.com)

Technical Details

  • Automatically strips 'www.' prefix for consistent matching
  • Supports both desktop and mobile user agents
  • Intelligent handling of missing referrer headers
  • Built-in exception handling for edge cases

This update significantly improves your waitlist's security while maintaining a seamless experience for legitimate users. The smart validation system adapts to different submission scenarios, ensuring you catch spam without creating friction for real users.

We are also working on a advance spam blocking features which will be rolled in coming weeks.