A payment agreement sets a schedule for paying off money one person already owes another, in installments. It records the balance, the payment amounts and dates, any interest or late fee, and what happens if a payment is missed. Use it to settle an unpaid invoice, a personal debt, or a purchase paid over time. Download it free in Word or PDF, or sign it online.
Free to use. Legally binding under the ESIGN Act, UETA, and eIDAS.Updated August 2026 by Document eSign
A payment agreement, also called a payment plan or installment agreement, is a contract that sets out how one person will pay off a debt they already owe to another, over time and in installments. It names the amount owed, breaks it into scheduled payments, and fixes the due dates, so both sides know exactly what is owed and when. Most payment agreements come out of a debt that already exists rather than a fresh loan. Common triggers are an unpaid invoice a customer needs to clear over a few months, a personal debt between friends or family put on a set schedule, a settlement that is paid in installments, or a purchase the buyer pays off directly to the seller instead of financing through a bank. That focus on scheduling an existing balance is what sets it apart from the neighboring documents people confuse it with, though the lines genuinely blur. A promissory note is usually used when money is lent, as the borrower's written promise to repay. A loan agreement is a fuller, two-sided loan contract with more conditions. An IOU just acknowledges that a debt exists, without any repayment terms. A payment agreement can overlap with a promissory note, and in practice the two are often interchangeable, but the payment agreement leads with the schedule for clearing a balance that is already on the books. A signed payment agreement is an enforceable contract. It can charge interest or not, be secured by collateral or not, and it usually includes a late fee and an acceleration clause so the whole balance comes due if the payer stops paying.
Who uses it
A business letting a customer clear an overdue invoice in installmentsTwo people putting a personal debt on a clear repayment scheduleA seller who lets a buyer pay for something over time directlyParties to a settlement who agree the amount will be paid in installmentsA contractor or freelancer arranging a payment plan for an unpaid balanceAnyone who wants a missed-payment and acceleration term in writing, not just a handshake
What's inside
The payer and payee names and addresses
An acknowledgment of the exact balance owed and what it is for
An installment schedule with the amount, frequency, and due dates
An interest option: no interest, or a rate within the state usury limit
A prepayment clause allowing early payoff without penalty
A late-fee clause tied to a reasonable amount
A default and acceleration clause making the full balance due on default
A secured or unsecured option, with a place to describe collateral
A release confirming the debt is satisfied once paid in full
Standard contract provisions and a governing-law line
HOW IT WORKS
From template to signed in three steps.
01
Start from the template
Open it in the editor with the fields already mapped, or download the DOCX to edit offline.
02
Add signers and send
Drop signature and date fields, then route each party in order or in parallel.
03
Get a sealed copy
Everyone signs, and you get a tamper-evident PDF plus an audit certificate.
Free forever. No credit card. Your recipients sign with no account.
The details
Everything to know before you send it.
1
How to fill it in
A payment agreement is short, but a few fields decide whether it actually protects the person who is owed. Fill it in before the first payment is due.
Parties: the payer's and payee's full names and addresses.
The debt: state the exact balance and what it is for, such as an invoice number or the goods or services behind it, so there is no argument later about the amount.
Schedule: set the installment amount, how often it is paid, the first payment date, and the final payoff date.
Interest: choose no interest, or a rate, and keep any rate within your state's legal limit.
Late fee: set a reasonable late fee and the grace period before it applies.
Default and acceleration: set the number of missed days that counts as default and the cure period before the full balance can be called.
Security: choose unsecured, or describe the collateral if the debt is secured.
Sign: both parties sign and date, and each keeps a copy.
2
Payment agreement vs. promissory note vs. loan agreement vs. IOU
These four documents overlap, and being honest about that is more useful than pretending they are cleanly separate. A payment agreement schedules the repayment of a balance that already exists, which is its main job. A promissory note is the borrower's written promise to repay, most often used when money is actually lent; it and a payment agreement cover so much of the same ground that the terms are frequently used interchangeably. A loan agreement is the fuller, two-sided contract you use for a real loan, with conditions and covenants a simple plan does not need. An IOU is the weakest of the four: it just acknowledges that a debt exists and usually says nothing about how or when it gets paid, which makes it hard to enforce. The practical rule of thumb: reach for a payment agreement when someone already owes a set amount and you are setting up how they pay it off, a promissory note or loan agreement when money is being lent, and never rely on a bare IOU if you can help it.
3
Why the agreement is binding, even for an old debt
For a contract to be enforceable, each side has to give something of value, which lawyers call consideration. That is easy to see in a fresh loan: the lender hands over money. It is less obvious when a payment agreement just reschedules a debt that already exists, because the payer is only promising to pay what they already owed. The answer is forbearance. When the payee agrees not to sue, or to hold off on collection and give the payer more time, that promise is itself valid consideration, and it is what makes the new agreement binding. One limit worth knowing: forbearance counts as consideration only if the underlying debt is a real, valid claim. You cannot get a binding promise by agreeing not to sue on a debt you know is worthless. For an ordinary unpaid invoice or a genuine personal debt, the payee's agreement to accept installments and hold off collecting is enough.
4
Interest and usury limits
Charging interest on a payment plan is optional. Plenty of payment agreements, especially between people who know each other, carry no interest at all, and the payer simply repays the balance. If you do charge interest, the important rule is that state usury laws cap the maximum rate, and the cap varies a lot from state to state. California, for example, generally caps interest on a loan for personal, family, or household purposes at 10 percent a year under its state constitution. New York sets a civil usury limit of 16 percent a year, with a separate criminal usury line at 25 percent. Many states set their own numbers and carve out exceptions for banks and licensed lenders. Going over the legal rate is not a small mistake: depending on the state, a usurious rate can make the interest unenforceable, and in some places it carries stiffer penalties. If you are charging interest, check the current cap in your governing-law state and stay under it, or keep the plan interest-free to avoid the question.
5
Late fees and acceleration
Two clauses do the real work when a payment is missed. A late fee is common and enforceable, but it has to be reasonable. Under the contract-law rule against penalties, a preset charge is only enforceable if it is a genuine estimate of the cost the late payment causes; a fee set high enough to punish the payer, rather than to cover the loss, can be struck down as an unenforceable penalty, and some states also cap late fees by statute. Keep the fee modest and tied to real costs. The acceleration clause is the payee's main protection: it lets the payee declare the entire remaining balance due at once if the payer defaults, instead of chasing one missed installment at a time. It only exists if the agreement says so, which is why this template includes it. The fair way to write it, and the way courts expect to see it, is to make acceleration the payee's option after written notice and a short chance to cure, rather than an automatic trap on a single late day.
6
Secured or unsecured, and when a writing is required
A payment agreement can be unsecured, meaning it is backed only by the payer's promise, or secured by collateral the payee can claim if the payer stops paying. Most everyday payment plans are unsecured. If you do secure it with personal property, such as a vehicle or equipment, you are creating a security interest governed by Article 9 of the Uniform Commercial Code, and getting priority over other creditors usually means filing a financing statement; collateral that is real estate would instead go through a mortgage or deed of trust, which is a different document. Separately, get the agreement in writing, and not only because it is smart. Under the Statute of Frauds, a contract that cannot be performed within one year has to be in a signed writing to be enforceable. An installment plan scheduled to run past twelve months can fall under that rule, so a written, signed payment agreement is the safe choice there, and in some cases a legal requirement. Because most plans can be paid off early, a court may still find the one-year rule does not apply, which is one more reason to put the plan in writing rather than guess.
7
Signing it
A payment agreement does not need to be notarized. The payer and the payee both sign and date it, and each keeps a copy. An electronic signature is valid on it under the federal ESIGN Act and the Uniform Electronic Transactions Act, so signing online is a clean way to lock the plan in before the first payment is due. Notarizing is optional and does not change whether the agreement is binding, though some people choose to notarize a large plan for extra weight if it is ever disputed. Keep the signed agreement with a record of each payment as it is made, because a clear payment history is what settles most disagreements about whether the plan was kept.
8
Common mistakes to avoid
Most payment-agreement problems come from a few avoidable gaps.
Not stating the exact balance and what it is for, which leaves room to dispute the amount later.
Charging an interest rate above the state usury cap, which can make the interest unenforceable.
Setting a late fee so high it reads as a penalty a court will not enforce.
Leaving out the acceleration clause, so a missed payment cannot trigger the full balance.
Relying on a verbal plan or a bare IOU instead of a signed agreement, especially for a plan that runs past a year.
Forgetting to give the payer a paid-in-full statement and release the collateral once the debt is cleared.
This template and the guidance on this page are provided for general information only and are not legal advice. Laws differ by country and state, so review the final document against your own situation and have a qualified lawyer check anything high-value or regulated before you sign.
FAQ
Questions, answered.
What is a payment agreement?
It is a contract that sets a schedule for paying off a debt one person already owes another, in installments. It states the balance, the payment amounts and due dates, any interest or late fee, and what happens if a payment is missed. It is commonly used to clear an unpaid invoice, a personal debt, a settlement, or a purchase paid over time.
What is the difference between a payment agreement and a promissory note?
They overlap heavily and are often used interchangeably. The practical difference is emphasis: a promissory note is usually the borrower's written promise to repay money that is being lent, while a payment agreement usually sets up a schedule to pay off a balance that already exists, such as an unpaid invoice or a settled debt. Both are enforceable written promises to pay.
Is a payment agreement legally binding?
Yes, once both parties sign it. Even when it only reschedules an existing debt, it is binding because the payee gives something of value in return: the promise to accept payment over time and hold off on collection, which the law treats as valid consideration. It is enforceable like any other signed contract.
Can you charge interest on a payment plan?
Yes, but interest is optional and capped. If you charge it, the rate cannot exceed your state's usury limit, which varies by state. California generally caps interest on a personal-purpose loan at 10 percent a year, and New York sets a civil usury limit of 16 percent. Going over the legal rate can make the interest unenforceable, so check your state's cap or keep the plan interest-free.
What is an acceleration clause in a payment agreement?
It lets the payee declare the entire remaining balance due at once if the payer defaults, instead of collecting one missed installment at a time. It only applies if the agreement includes it. The fair way to write it, and the way courts expect, is to make acceleration the payee's option after written notice and a short chance to cure the default.
Does a payment agreement need to be notarized?
No. Two signatures make it binding, and an electronic signature is valid under the ESIGN Act and the Uniform Electronic Transactions Act. Notarizing is optional and does not change whether the agreement is enforceable, though some people notarize a large plan for extra weight if it is ever disputed.
Can a late fee on a payment plan be too high?
Yes. A late fee has to be a reasonable estimate of the cost the late payment causes. Under the contract-law rule against penalties, a fee set high enough to punish rather than to cover the loss can be struck down as unenforceable, and some states also cap late fees by statute. Keep the fee modest and tied to real costs.
Should a payment plan longer than a year be in writing?
Yes, and it may be required. Under the Statute of Frauds, a contract that cannot be performed within one year must be in a signed writing to be enforceable. An installment plan scheduled to run past twelve months can fall under that rule, so a signed written payment agreement is the safe choice and, in some cases, a legal requirement. Because most plans allow early payoff, a court may still find the one-year rule does not apply, but you should not rely on that, put the plan in writing.
Is the payment agreement available in Word format?
Yes. Download the payment agreement as a Word (.docx) file and edit it in Microsoft Word, Google Docs, or Pages. You can also download a PDF or fill it in and sign online.
Can I download the payment agreement as a PDF?
Yes. A print-ready PDF is available alongside the Word version. Download either one free, or fill it in and sign online without downloading anything.
Live in under a minute
Ready to send your first envelope?
Create your free forever account, upload a document, and send it for signature in minutes. No credit card required.
30 free envelopes a month Legally binding · global Audit trail on every document
