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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

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. 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

  1. Ask for any missing inputs, then draft the reminder.
  2. 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.
  3. Open with the invoice number, amount and original due date so the customer can identify it immediately.
  4. State how many days overdue it is and ask for a specific payment date.
  5. Include the payment methods and offer to resend the invoice or a statement.
  6. Close with {{next_step_if_unpaid}} only if the user supplied it, and keep it factual.
  7. 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.