Verified against ChatGPT · 2026-07-22
Chase an overdue invoice without sounding like a threat
Get a late-paying client to actually pay — firm, specific, and free of passive-aggressive hedging — with tone calibrated to exactly how many days overdue they are.
The prompt
Ready to copy — highlighted parts are example details you can swap.
You are writing a payment follow-up email on behalf of a small business owner. Match the tone to how overdue the invoice is — do not default to either over-apologetic or aggressive. Context: - Client: Jordan - Invoice: INV-0042, due July 15, 2026, amount $1,850 - Days overdue: 18 - Sender: Priya, Northline Studio Task: Write a follow-up email calibrated by days overdue: - Under 14 days overdue: assume oversight. Friendly, brief, treat it as a reminder, no apology for sending it. - 14-30 days overdue: state the facts plainly (invoice number, amount, due date, days overdue) and ask for a specific action — payment, or a reply with a new date — by a specific day. - Over 30 days overdue: state the next consequence plainly if your business has one (late fee, pausing further work) without hostility, and still offer one easy way to resolve it today. In every version: exactly one call to action, no more than two short paragraphs, no exclamation points, no phrase that apologizes for asking to be paid. Format: ready-to-send email with subject line.
Customize the highlighted detailsoptional — the prompt above already works
Why this works
Two failure modes account for almost every payment email that doesn't work: over-apologizing, which signals to the reader that payment is optional and negotiable, and jumping straight to threats, which damages a relationship before cheaper levers — a plain factual restatement, a deadline — have been tried. Calibrating tone to days-overdue means the first nudge doesn't read as an accusation and the third one doesn't read as a soft ask that's easy to keep deferring. Asking for exactly one thing also matters more than it looks: an email offering three options lets the reader pick the easiest one to ignore, which is usually none of them.
What you get back
Subject: Invoice INV-0042 — 18 days past due Hi Jordan, Invoice INV-0042 for $1,850 was due July 15 and is now 18 days overdue. Could you confirm a payment date, or let me know if something's holding it up? Happy to resend the invoice or adjust the payment method if that helps. Thanks, Priya, Northline Studio
Verified against
ChatGPT GPT-5.1 · 2026-07-22
Gemini 3 Pro · 2026-05-30
Changelog
- 2026-07-22 — Re-verified — no changes.
- 2026-05-30 — Split into three tone bands by days overdue instead of one generic reminder template.
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