An AI usage based billing validation agent reads the invoice and extracts the metered lines, such as units consumed, rate and tier.
Reads charges and quantities on the usage-based invoice.
Finds unit prices, tiers and commitments in the agreement.
Reads the usage figures from the vendor portal or export.
Recomputes each line from rate and recorded usage.
The buyer or AP lead decides whether to dispute or pay.
Records the difference and the reason with the invoice.
It recalculates each line from the usage data you hold and compares the result with the billed amount, noting differences in quantity, rate or period.
Where figures disagree, it drafts a query that cites the contract clause and the data, ready for a person to review before anything goes to the vendor.
Consumption invoices change every month, so a person cannot rely on last month's amount as a sanity check.
Usage varies, so a wrong figure does not stand out the way a wrong fixed fee would.
Tiers, committed use, overage rates and discounts interact, and the arithmetic is easy to mistake.
The vendor's meter, your own logs and the invoice may each show a different number.
Many contracts limit the time to challenge a bill, so slow checks forfeit the right to query.
Extract the rate card, tiers, commitments, discounts and billing period from the contract.
Capture each metered line with quantity, unit, rate and charge.
Pull the usage records you hold for the same period and unit.
Apply the contract terms to the usage and compare the result with each billed line.
Write a clear question for any difference, citing the clause, the figures and the data source.
Bring a small sample and watch Flo work through it.
| Aspect | By hand | With the agent |
|---|---|---|
| Recalculation | Tiered rates are recalculated by hand on a calculator or sheet. | Each line is recomputed from contract rates and recorded usage. |
| Source check | Usage totals are taken from the invoice as given. | Invoice quantities are compared with usage records from a separate source. |
| Commitments | Prepaid or committed amounts are overlooked. | Commitments and credits are applied before the variance is shown. |
| Disputes | Queries to vendors lack line-level detail. | A draft query names the line, the expected amount and the evidence. |
| Trend | Month-to-month movement is hard to explain. | Variance is shown against previous periods with the main driver named. |
| If | Then | Who decides |
|---|---|---|
| Charged quantity exceeds recorded usage | Flag the line and draft a query for the buyer to send | Buyer decides |
| Rate on the invoice differs from the contract | Mark as a rate variance with the clause quoted | Buyer |
| A committed amount has not been applied | Show the missing credit and ask for correction | AP lead |
| Usage jumps sharply versus earlier periods | Highlight the driver and ask the owner to explain | Application owner |
| Usage data is not available for the period | Hold validation and say what is missing | Buyer chases the vendor |
| Charges fall under a tier boundary | Show the tier calculation for confirmation | Reviewer |
The vendor may count units in a way the contract describes only loosely. The agent shows both counts and the buyer takes the definition up with the vendor.
Vendors sometimes add usage after the invoice date. The agent notes the cut-off and a person decides whether to hold payment for a corrected invoice.
An overage may be billed with no price in the contract. The agent flags it as unsupported and the buyer decides how to challenge it.
A credit note may arrive after the invoice. The agent matches the two where possible and tells AP when a match is missing.
Talk it through with the team. We will map it to your steps and show where a person stays in control.
Start with a vendor whose invoices are often disputed and whose rates are clear.
Match the agent's recalculation with manual checks for a few cycles.
Include more usage-priced vendors as rate cards are captured.
Show validation status in AP, with people deciding on holds.
It shows how much of consumption billing is actually verified. A low figure means many lines are being paid on trust.
Quick answers to what people ask most about usage based billing validation.
Book a demoIt is the process of confirming that a consumption-based invoice reflects the contract's rates and the real volume used. It involves recalculating charges rather than only reading the total.
Any vendor that bills by volume, such as cloud services, communications platforms or API-priced software. Fixed-fee subscriptions need less because the amount does not move.
No. It drafts the query and shows the evidence. A person decides whether to send it and whether to hold payment.
The agent can still check rate and arithmetic against the contract, but it cannot confirm quantities. It will mark those lines as unverified for a person to follow up.
OAuth app discovery is finding third-party applications that employees have connected to company accounts using a sign-in grant instead of a purchase.
→SaaS spend allocation is assigning the cost of software subscriptions to the teams, cost centres or products that use them.
→SaaS offboarding is removing a departing person's access, or retiring a whole application, so seats, data and costs are closed out properly.
→A SaaS security review is a check of whether a software vendor's security practices and data handling meet your requirements before or after purchase.
→Bring a small sample of real items. We will show what Flo handles on its own and where it hands over to your team.
