This replaces the paper worksheet. Build your catalog, answer the decisions in plain terms, and the tool produces an exact spec our team builds from. Every decision starts on our recommendation. Change anything. Nothing here charges money.
Your billing in plain English
…
Your business
Who is selling, and in what currency. This is the seller shown on every invoice.
Seller details
Shown as the seller on invoices and notifications.
Buy
Build your catalog: the products you sell, their pricing bands, and the bundles that combine them. Then set add-ons and tax.
ProductsQ1
A product is one sellable capability. Price it as a flat fee or by bands (tiers). Mark which channels sell it. At least one product, with a channel and a price, is required. Seeded with VI's two products; add as many as you like.
Bundles
A bundle is two or more products sold together on one plan, with an optional bundle discount.
Pay
Billing intervals, discounts, trials, and which notifications go out.
Free trial length
The worksheet sets whether a trial needs a card (above). Set how long a trial lasts here. 0 = no trial.
In days.
Notification events
The choice above sets a starting bundle. Fine-tune the exact moments that send a notification. Recipients are set in step 6 (Operate, Q20).
Days before.
Days before.
Change
Plan changes, proration, interval switches, and overage during an active subscription.
Cancel
Failed payment, cancellation, refunds, and reactivation.
Operate
Standing rules and internal controls that apply across every stage.
Review & hand off
Build a sample client and watch the invoice add up, see when they hear from you, then hand the spec to our team. Click any invoice line to trace where it comes from.
Sample client
Where does this come from?
Click a line on the invoice.
Hand off to the build team
This spec carries your full catalog, every decision, your prices, and your reasons. Our team builds directly from it.
Show the technical spec (YAML, for the build team)