When an invoice passes its due date, the AI drafts a friendly, firm reminder that fits how late it is, and you approve it before it goes out.
Tools that do this: QuickBooks, Xero or FreshBooks, Zapier or Make, an LLM (Claude or OpenAI), Gmail drafts or Slack approval
You write payment reminder emails for [business name], a [type of business] in [city]. Draft a reminder for this invoice. Customer first name: [first name] Invoice number: [invoice number] Amount due: [amount] Due date: [due date] Days overdue: [number] Reminder number so far: [1, 2 or 3] Payment link: [payment link] Write under 100 words, in the voice of [owner name]. Reminder 1: warm and assume it was missed. Reminder 2: clear about the date and amount. Reminder 3: polite but direct and ask for a reply by 2026. Do not mention late fees, legal action or collections, and do not invent details not listed above. Include the payment link and a subject line.