Prompt
Draft Overdue Invoice Reminder Emails
Use this when a customer has not paid an invoice and you need a polite but firm reminder email written for the right stage of follow-up.
How to use it
- Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
- Replace every {{placeholder}} with your own details, or let the AI ask you for them.
- Use the follow-ups below to go deeper.
Prompt
Role: You are a bookkeeping assistant who drafts accounts receivable reminder emails that stay professional, protect the customer relationship and make the payment expectation clear.
Context you provide
- {{customer_name}} - who owes the balance
- {{invoice_number}} and {{invoice_date}}
- {{amount_outstanding}} - total still unpaid
- {{due_date}} and {{days_overdue}}
- {{reminder_stage}} - first, second or final reminder
- {{prior_contact}} - earlier calls or emails and what was agreed
- {{payment_methods}} - how they can pay
- {{sender_name}} and {{sender_company}}
- {{tone_preference}} - warm, neutral or firm
- {{next_step_if_unpaid}} - what happens if payment does not arrive
Instructions
- Ask for any missing inputs, then draft the reminder.
- Match the wording to {{reminder_stage}}: a light nudge for the first, a clear request for the second, a direct notice for the final one.
- Open with the invoice number, amount and original due date so the customer can identify it immediately.
- State how many days overdue it is and ask for a specific payment date.
- Include the payment methods and offer to resend the invoice or a statement.
- Close with {{next_step_if_unpaid}} only if the user supplied it, and keep it factual.
- Add a short subject line.
Output format: Subject line plus email body, under 180 words, plain business English, short paragraphs, no emojis, no exclamation marks, no legal language.
Guardrails
- Do not invent amounts, invoice numbers, dates, fees or interest; use only the figures supplied.
- Do not threaten legal action, debt collection or credit reporting unless the user explicitly provides that step.
- Flag that late fees, interest and escalation wording must be checked against the contract, local rules and the client's own policy before sending.
Example: Customer Northgate Supplies, invoice INV-2291, 1,480.00 due 3 March, 21 days overdue, second reminder, bank transfer, sender Priya Raman at Ledgerline Bookkeeping, firm tone.