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WalkthroughOct 20264 min read

Anatomy of a billing leak: one overage, five steps

Follow a single unbilled usage overage from the moment Droplet finds it to the corrective invoice that recovers it.

An Acme Corp invoice: the per-seat price is invoiced, the usage above 8M units is not, and the discount billed is 5 points over the contract.

Revenue leaks rarely look like errors. Nothing fails, no alert fires, and every system reports that it is working. The money simply never arrives. The clearest way to see how that happens is to follow one case from start to finish.

1. Connect

The case starts with four sources: Salesforce for contracts, HubSpot for the CRM, Supabase for usage and Stripe for billing. All four are read-only. Droplet also reports on the quality of each source, so you know the data behind a finding is complete before you act on it.

2. Compare

For Acme Corp, Droplet checks five things: pricing, usage, discounts, renewals and commitments. Pricing, renewals and commitments match the contract. Two don't: usage is under-billed by $8,420, and the discount applied is five points higher than the contract allows, which costs another $1,260.

3. Detect

Those mismatches become findings, ranked by estimated exposure and tagged with a case ID. The usage overage on Acme Corp becomes case RA-014: usage overage not invoiced, worth $8,420 a month. Two other customers appear in the same list with their own cases.

4. Investigate

A finding tells you that something is wrong. The trace tells you where. Droplet checks four steps in order:

  1. Contract: the contract allows an overage of $0.002 per unit above 8M. This passes.
  2. Usage: 12.41M units were metered. This passes.
  3. Billing: the overage line is missing from the invoice. This is the leak.
  4. Payment: the invoice that was sent was collected as billed.

The customer used the product, the contract says what that usage costs, and the customer paid every invoice. The only thing missing is one line on one invoice.

5. Recover

The last step is a corrective action: issue a corrective invoice for Acme Corp, due in two days. Droplet doesn't touch your billing system. It tracks the action, and your team issues the invoice. The case then moves from open to closed, and the recovery is verified.

Across all findings, the demo workspace shows $61,280 recovered of $184,320 at risk, with $35,160 in progress and $87,880 still pending validation.

What to take from it

Nothing in this case needed an intelligent guess. It needed four systems compared side by side, every time. If you want to see it on your own data, start a free trial: Droplet is read-only, and you can start without a credit card.

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