Smart newsletter and course creators use a SparkLoop referral program to get more, high-quality email subscribers on autopilot. Exactly like how Morning Brew and The Hustle grew to millions of subscribers.

Add a Magic Link in any newsletter and let their readers opt-in to your email-list with just one click — for free!

We completely remove friction from your opt-in process. So your newsletter sponsorships and cross-promotions get 20-50% more signups!