Create the account
Checkout creates access so the user can log in and start onboarding.
Northline AI
Find leads and send AI-written outreach from one login.
A self-serve lead generation product for small teams and solo operators. Search for local businesses in plain English, generate personalized cold emails, and send from your own inbox without stitching together five tools.
Best fit for agencies, freelancers, and small operators doing outbound in your target market.
The offer
Software access, not agency work.
Northline AI is built to be a self-serve product. Users pay for access, log into their own dashboard, connect their inbox and AI key, and run lead generation themselves.
What they buy
A login, search tools, AI email generation, and sending from their own inbox.
What they avoid
Manual prospecting, scattered tools, and paying for a sales stack they barely use.
What you avoid
Doing fulfillment work for every customer after they pay.
The workflow
What the user does after they pay.
Connect inbox and AI
They add their email sending method and their AI API key inside settings.
Search for leads
They type what kind of businesses they want in plain English and review the results.
Generate and send
The app drafts outreach and lets them copy or send from the connected inbox.
The stack
The near-zero-cost setup.
Marketing
Static HTML on Cloudflare Pages
$0
App
Next.js on a free tier while usage is low
$0
Auth + data
Supabase free tier
$0
Sending
User connects Gmail, Outlook, or SMTP
User-owned
AI writing
User supplies an API key to keep your costs low
User-ownedPricing
Start with founding beta access.
Start simple: $97 one-time beta for early users. They get product access, not a service package. Keep fair-use limits and make users bring their own inbox and AI key.
1 user account
Lead search
AI email drafts
Connected sending
Saved history
Beta access
The buyer journey should be simple: pay, log in, search, generate, send.
This repo now frames the business as a self-serve SaaS. The marketing layer is ready, and the product flow is documented. The next phase is building the authenticated app behind it.