LegalFree
Demand Letter Generator for Money Owed
Describe what you are owed and why. River writes a firm demand letter with the amount itemized, your documents cited and a deadline.
River's demand letter generator writes the letter you send before going to court over money or a promise that was not kept. Describe what happened in your own words and attach what you have, such as the quote, the invoice, the contract or the emails. River adds up what you are owed line by line, ties each amount to a document, sets a deadline and a way to pay, and says plainly what you will do if the deadline passes.
Most demand letter templates are a paragraph of threats around a blank for the amount. The letters that get paid are calmer and more specific than that. They show the arithmetic, quote the term that makes the money due, and make paying the easiest option on the table. River also checks whether your claim needs a formal notice before you can sue, because a few state laws set the waiting period and the contents, and missing them can stall the case.
This is for contractors and freelancers with unpaid invoices, small businesses owed a refund or a deposit, and anyone whose work, goods or property was not paid for or put right, from a few hundred dollars upward. If you want someone to stop doing something rather than pay, use the cease and desist letter generator. If a demand letter arrived on your desk, the demand letter response tool works through it allegation by allegation. Once they agree to pay, a settlement agreement and release closes the claim for good.
What makes a demand letter get paid
A demand letter works when the recipient can see that paying now is cheaper than anything else. That comes from specifics. Name the agreement and its date, quote the payment term, list each amount with the document behind it, and give one total. Then make payment easy, with an amount, a date, and a method. A demand that reads like a bill gets handled by accounts payable, while one that reads like a rant gets forwarded to a lawyer.
Some claims come with a formal notice step. A consumer suing under Massachusetts's consumer protection law must send a written demand at least thirty days before filing. Texas requires sixty days' written notice before a consumer sues for damages under its Deceptive Trade Practices Act, and California's Consumers Legal Remedies Act requires a thirty-day notice by certified mail before a damages claim. A well written demand letter can satisfy these steps, but only if it says what the law asks.
Here is an illustrative example. A cabinet maker is owed $6,400 on an $8,400 job. A letter that quotes the 30-day payment term, attaches the signed quote and the invoice, adds interest only because the quote provides for it, and offers payment by bank transfer within fourteen days is hard to ignore. Offering a discount for quick payment is fine, and in federal court, Rule 408 generally keeps a compromise offer from being used to prove the claim was worth less.
How it works
Describe what happened
Say what was agreed, what went wrong and what you are owed, and attach your documents.
River does the arithmetic
Each amount is tied to a document, and any notice rule for your claim and state is checked.
Get the letter
A finished demand letter with the itemized total, a deadline and the next step, ready to edit.
Follow up in chat
Ask for a final notice, a payment plan offer, or a short summary for a small claims form.
What you get
- A finished demand letter in standard business format, written from your facts and your documents
- The amount owed itemized line by line, with each figure tied to a quote, invoice or receipt
- Interest or late fees added only when your agreement or the law actually provides for them
- A deadline, a payment method and a plain statement of what you will do next
- A check for state notice rules that some claims need before you can file suit
- A short separate list of facts to confirm and the best way to send the letter
Common questions
Do I have to send a demand letter before suing?
Often not, but it usually helps, and for some claims it is required. Certain consumer protection laws, such as those in Massachusetts, Texas and California, require written notice a set number of days before suing. Many small claims courts also expect you to have asked for payment first. River checks your state and claim type and says what it found.
How long should the deadline be?
Ten to fourteen days is typical for an unpaid invoice or a deposit, and many people choose fourteen. If a law sets a notice period for your claim, such as thirty or sixty days, the letter uses that period instead. A deadline only works if you act when it passes, so pick a date you will keep.
Can I add interest and late fees?
Only if your agreement provides for them or a law allows them. River adds contractual interest at the rate and from the date the contract states, shows the calculation, and leaves it out when nothing supports it. Inflated add-ons make the whole demand look unreliable, and a judge may refuse them anyway.
Will the letter be used against me in court?
Assume a judge may read it, so it sticks to facts the documents support. Settlement offers made to resolve a disputed claim generally cannot be used to prove the claim was worth less in federal court, and many states have similar rules. Avoid admitting anything you would not say under oath.
What if they do not pay?
Your next step is usually small claims court if the amount fits under your state's limit, which River can look up for you. Above that, a lawyer's letter or a regular civil suit follows. River can draft a final notice, a payment plan offer, or a plain summary of the claim to use when filling in court forms.
Can I threaten to report them or press charges?
Do not use threats of criminal charges or complaints to authorities as leverage to get paid. In many states that can cross into extortion, and lawyers are barred by ethics rules in several states from making such threats. The letter states the civil steps you will take, which is more credible anyway.
I'm collecting a debt for someone else. Does this still work?
Be careful. Collecting consumer debts owed to someone else can make you a debt collector under federal law, which brings specific notice rules and prohibitions. River will flag this if your description suggests it and keep the letter to a creditor's own claim. For that situation, have a collections lawyer review the process.
Sources
Built by
Chandler Supple
Co-founder & CEO, River
Chandler has spent the last six years working in AI, building tools for millions of users and Fortune 100 companies. In 2025, he co-founded River to build a new kind of operating system for AI agents.
Demand Letter Generator for Money Owed
Describe what you need, add any files you have, and your workspace opens with the work already underway.