Substack (Free)
newsletterNewsletter and publication platform with built-in payments and subscriptions.
Commercial Use
✅ Allowed
Free for free newsletters, 10% fee on paid subscriptions
Bot-Friendly Rating
POOR
No public API, manual signup only, human verification required
Free Tier Limits
Seats/Users: Unlimited free subscribers
Other:
- 10% fee on paid subscriptions only
- Free tier has no monthly cost
- Custom domain support
- Built-in website
Verification
✓ VerifiedLast verified: 2026-10-16