Chase an unpaid invoice without sounding rude

Who it's for

Owners who invoice customers on terms (contractors, agencies, wholesalers, caterers, consultants) and put off chasing late payers because it feels awkward.

The situation today

• The invoice goes out, the due date passes, and nothing happens. Chasing feels like being 'that guy', so the reminder waits another week.
• When the reminder finally goes out, it's either too soft to get action or too sharp after weeks of stewing.
• Rough estimate: 15 to 30 minutes per overdue invoice to look up the details, write the email and second-guess the tone.

Time figures marked "rough estimate" are our estimates, not survey data.

The AI-assisted workflow

Step by step

1. Write down your real payment terms: due date rule, accepted payment methods, and any late fee that is already in your contract or invoice terms.
2. Run the prompt below once to create three reminders: a friendly nudge, a firm follow-up and a final notice.
3. Edit each one until it sounds like you, then save them as templates in your email or invoicing software.
4. Set calendar reminders (or your invoicing tool's automatic reminders) for a few days, about a week, and about two weeks past due.
5. Before sending the final notice, pick up the phone. Many late payers are just disorganized, and a call settles it faster than a third email.

I run [type of business]. Write three payment reminder emails for an overdue invoice.
Facts:
- Invoice number: [#], amount: [$], sent [date], due [date]
- How to pay: [link, check address, or methods you accept]
- Late fee: [only if it's in my signed terms, otherwise write 'none']
- My contact: [name, phone]

Email 1 (a few days late): friendly, assume it slipped through. Under 80 words.
Email 2 (about a week late): polite but direct, ask for a payment date. Under 100 words.
Email 3 (about two weeks late): firm and calm. State the amount, the days overdue and the next step [what you will actually do, e.g. pause future work]. Under 120 words.
Rules: no threats I haven't listed, no legal language, no guilt-tripping. Keep the facts exactly as given. Give each email a short subject line.

Works in any AI chat assistant. Replace everything in [brackets].

Watch-outs

• Only mention a late fee if it's already in your agreement or invoice terms. Late-fee and collection rules vary by state; check with your accountant or attorney before you add one.
• Don't paste bank details, card numbers or your customer's account numbers into the AI. The prompt only needs the invoice number, amount and dates.
• Check every number in the draft against the actual invoice before sending. AI can swap dates or amounts.

When not to use AI

• Invoices in dispute, or customers who've said they won't pay. That's a conversation, not a template; talk to them, then to your attorney if needed.
• Anything that reads like a legal demand letter. Don't have AI write one.

Educational content, not legal, tax or financial advice.