Deferred Revenue and Prepaid Credits for AI Startups

This post is general guidance, not accounting or audit advice for your specific entity. Treatment depends on the terms of your contracts.

A customer wires you $100,000 for AI credits they will burn down over the next year. It feels like a great month, and in a cash sense it is. But that $100,000 is not revenue. It is a promise you now owe: the obligation to deliver up to $100,000 of usage whenever the customer asks for it. Until they consume those credits, the money sits on your balance sheet as a liability, not on your income statement as revenue. Founders who miss this distinction routinely overstate their revenue, build run-rate numbers on cash that has not been earned, and then face an uncomfortable conversation when an investor or auditor asks why recognized revenue and collections diverge so sharply.

This post covers how to handle prepaid credits, committed-use contracts, and the deferred revenue mechanics that come with selling usage before it happens.

Deferred Revenue Is a Liability, Not a Win

When you collect cash before you have delivered the service, accounting treats that cash as deferred revenue, sometimes called a contract liability. It lives on the balance sheet because you still owe the customer something. As the customer consumes what they paid for, you move the earned portion off the liability and onto the income statement as revenue. The liability shrinks, revenue grows, and the two always reconcile.

For a prepaid credit purchase, the mechanics are clean in principle. The $100,000 lands as deferred revenue. In a month where the customer consumes $8,000 of credits, you recognize $8,000 of revenue and reduce the deferred balance to $92,000. The pattern continues until the credits are exhausted or expire. The discipline is in tracking consumption accurately and tying revenue recognition to it every month at close, rather than guessing or straight-lining.

Why Straight-Lining Prepaid Credits Is Wrong

The tempting shortcut is to take that $100,000 annual credit purchase and recognize it evenly, $8,333 a month for twelve months, the way you would a subscription. It is wrong for usage products, and it distorts in both directions. If the customer front-loads usage, ramping hard in the first quarter, you will under-report early revenue and the deferred balance will be overstated relative to reality. If they back-load, exploring slowly and scaling later, you will over-report early revenue and recognize money you have not actually earned.

Worse, straight-lining hides whether customers are actually using the product. The deferred revenue balance is one of your better leading indicators. A pile of prepaid credits that is not drawing down is not a healthy signal, it is a warning that the customer bought and is not adopting. Recognize on consumption and the data tells you the truth. Straight-line it and you blind yourself to your own retention risk.

Committed-Use Contracts: The Floor-Plus-Usage Structure

A more complex structure is the committed-use contract, where a customer commits to a minimum spend, say $120,000 over the year, and draws usage against it, often with overage pricing once they exceed the commitment. These deals are common as AI startups move upmarket, and the accounting depends entirely on the terms.

The key questions to settle in the contract, before they become accounting problems, are these. Does unused commitment expire at period end, or roll forward? If the customer consumes only $90,000 of their $120,000 commitment, do they forfeit the $30,000, or carry it over? Is the commitment billed up front, creating a large deferred balance, or billed as consumed against the minimum? Each answer changes how and when revenue is recognized and how the liability behaves over the term. The cleanest contracts spell out forfeiture and rollover explicitly, which makes the accounting follow naturally rather than requiring judgment calls every quarter.

Credit Expiration and Breakage

If your credits expire, you have a further wrinkle the industry calls breakage: the value of credits a customer paid for but never uses. When credits expire unused, the deferred revenue tied to them does not just vanish, it generally becomes revenue at the point it is no longer a liability you owe, subject to the specifics of your terms and the recognition standard. If you have enough history to predict the pattern of unused credits reliably, the standard may even let you recognize expected breakage proportionally as other credits are consumed, rather than waiting for expiration. This is a place to be deliberate rather than improvise, because breakage assumptions touch revenue directly and draw scrutiny.

What Investors and Auditors Look For

Three things, mainly. They want to see deferred revenue on the balance sheet that reconciles cleanly to recognized revenue plus collections over time. They want recognized revenue, not cash collected, used as the basis for run-rate and growth metrics. And they want consistency: the same recognition policy applied every period, documented, and tied to actual usage data rather than estimates that move when convenient.

A startup that tracks deferred revenue properly can answer the question every usage-based business eventually gets, which is “how much of your reported revenue is real recurring consumption versus prepaid cash you booked early.” Having a clean answer is a credibility marker. Not having one is a diligence problem that can cost you on valuation or terms.

This is the liability side of the consumption-revenue picture. For how to recognize the usage itself as it occurs, see usage-based billing and revenue recognition for AI companies, and for how this fits the broader financial model, see accounting for AI startups.

Frequently Asked Questions

Are prepaid AI credits revenue when the customer pays? No. Prepaid credits are deferred revenue, a liability on your balance sheet, and become revenue only as the customer consumes them. Booking the full purchase as revenue when paid overstates the period and creates a later cliff.

How do you account for committed-use contracts? It depends on the terms: whether unused commitment expires or rolls over, and whether it is billed up front or as consumed. Those terms determine how revenue is recognized and how the deferred balance behaves, which is why the contract language should be explicit about forfeiture and rollover.

What is breakage in usage-based billing? Breakage is the value of prepaid credits a customer never uses. When credits expire unused, the related deferred revenue is generally recognized as revenue at that point, and with reliable history you may be able to recognize expected breakage proportionally as other credits are consumed.

Why do investors care about deferred revenue? Because it separates cash collected from revenue earned. A clean deferred-revenue schedule that reconciles to recognized revenue shows how much of your reported top line is real recurring consumption versus prepaid cash, which is a core diligence question for usage-based businesses.

If you want to talk through how this applies to your company, book a call.

Anelya Grant is the founder of AG Accounting (AG Grant, Inc.), an accounting firm serving tech startups and healthcare organizations. She is also co-founder of JustPaid.ai, an AI-powered billing and contract-to-cash platform for growing companies.