Cost shape and forecasting
Minimum commitments and true-ups
A minimum commitment is an amount or quantity you owe whether or not you use it, which makes it a floor under your spend rather than an estimate of it. A true-up is the reconciliation that happens when actual usage exceeds what was committed, usually resulting in an additional charge. Together they mean your real cost can only be at or above the committed figure.
The Vendor Squeezer team. Last reviewed 2026-08-08. General guidance on contract structures, not legal advice, and not a statement about any particular vendor's terms.
A minimum is a commitment, not a forecast
Minimums appear in several forms: a minimum spend per period, a minimum quantity of units, or a minimum number of seats. In all of them, consuming less does not reduce what you owe, which is what distinguishes a commitment from a rate.
This is worth recording explicitly because it changes how the line should be read in a budget. Committed minimum spend is the most predictable money in a vendor portfolio, and it is also the money that cannot be reduced by using the product less.
How true-ups usually work
A true-up compares actual consumption against the committed amount for a period and charges the difference, sometimes at the contracted rate and sometimes at a higher rate for the excess. The timing varies: annually, quarterly, or at renewal.
The detail that matters most is what rate applies to the overage, because that is where an unbudgeted amount comes from. A contract that charges excess usage at list price rather than at the discounted committed rate can make growth substantially more expensive than the headline rate suggests.
- When the reconciliation happens.
- What rate applies to consumption above the commitment.
- Whether unused commitment rolls forward or is simply lost.
- Whether the commitment can be increased mid-term, and at what rate.
Unused commitment is a real cost
Committing to more than you use is one of the quieter ways vendor spend leaks, because nothing signals it. The invoice matches the contract, the contract was signed deliberately, and nobody is doing anything wrong. It only becomes visible when someone compares committed quantity against actual consumption.
That comparison is worth running before a renewal rather than after, because a renewal negotiated on last year's committed number repeats the gap for another term.
Questions to ask about your own agreement
- 1.Is there a minimum spend or minimum quantity, and what is it with its currency?
- 2.When does the true-up happen, and how is it calculated?
- 3.What rate applies to consumption above the commitment?
- 4.Does unused commitment roll forward or lapse?
- 5.How does actual consumption compare with what is committed today?
Common questions
Is a minimum commitment the same as a subscription fee?
Not quite. A subscription fee buys a defined service for a period. A minimum commitment sets a floor on a variable charge, so you can consume less and still owe the floor. Some agreements contain both.
Can a minimum be reduced mid-term?
Usually not, because the commitment is what the pricing was based on. Increasing it mid-term is often possible and sometimes encouraged, which is worth noticing: the mechanism generally moves in one direction.
Put this against your own vendors
Record the term, the notice deadline, and the exit cost against the vendor once, and the next renewal review starts from an answer instead of a search. Free while in early access.