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Ready to start recovering SaaS revenue?

Join the waitlist for Churnull. Plug in the API, build persistent product context, and trigger personalized retention emails based on live user behavior.

Where should we send your API keys when we launch?

How are you currently handling churn and lifecycle emails?

Be honest, we're building this to solve the exact headaches you have right now.

Untitled checkboxes field

Wrestling with expensive legacy tools (Customer.io, Userlist, etc.)

Using basic time-based drips (Loops, Mailchimp)

Trying to build a custom internal solution

Nothing yet, but I know I need to fix it

What are you building?(optional)

Drop your SaaS URL or Twitter/X handle so we can see what you're working on.

We'll email you the moment the API is ready for integration. By joining today, you've locked in the early-stage pricing at $29/mo.