InboxFlood handles every step — from finding the right newsletters to submitting your subscription across hundreds of sources simultaneously.
Sign up with email and password. Verify to activate. Free plan is immediate — no credit card needed.
Enter the email you want newsletters delivered to. Choose niche, volume, and quality mode.
Our engine connects to a curated database of captcha-free newsletter signup pages and submits your email across all sources simultaneously.
Within hours, newsletters start landing in your inbox. Your history logs every run with success counts and status.
Wide variety across your chosen niche. Great for volume, inbox warming, and exploring the newsletter landscape.
Established, reputable newsletters with strong engagement. Fewer sources but significantly higher signal.
Passwords hashed with bcrypt. JWTs expire in 15 minutes. Your data is never sold or shared with anyone.
Every endpoint is rate-limited. Login, registration, and subscription runs all have strict per-IP controls.
All traffic is encrypted end-to-end. API and frontend both run behind SSL. No unencrypted connections.