Invoice reminder email templates for small business
Use these templates for invoice automation. The trick is to keep reminders specific, polite, and connected to a real human follow-up when payment is still late.
What is the best invoice reminder schedule?
A small business invoice reminder sequence should usually send one reminder before the due date, one on the due date, and one overdue reminder before a person follows up. This keeps payment collection visible without making customers feel spammed.
- 3 to 5 days before due dateSend a short reminder with the invoice number, due date, and payment link.
- Due dateSend one direct due-today reminder that repeats the amount and payment link.
- 3 to 7 days overdueSend one overdue reminder, then create a human follow-up task instead of unlimited automated messages.
Before due date
Subject: Quick reminder: invoice {{invoice_number}} is due {{due_date}}
Body: Hi {{first_name}}, quick reminder that invoice {{invoice_number}} for {{service}} is due {{due_date}}. You can pay securely here: {{payment_link}}. Thanks again.
Due today
Subject: Invoice {{invoice_number}} is due today
Body: Hi {{first_name}}, invoice {{invoice_number}} for {{amount}} is due today. Here is the payment link again: {{payment_link}}. Let us know if you have any questions.
First overdue reminder
Subject: Invoice {{invoice_number}} is past due
Body: Hi {{first_name}}, just following up because invoice {{invoice_number}} was due on {{due_date}}. You can pay here: {{payment_link}}. If something looks off, reply and we will review it.
Human follow-up task
Subject: Internal task: call about overdue invoice {{invoice_number}}
Body: Invoice {{invoice_number}} is still unpaid after the automated reminders. Review the customer history, then call or text before sending another automated message.
Want these reminders wired into QuickBooks or Stripe?
Business Boomer can set up the actual reminder sequence, payment links, and overdue follow-up task.
Frequently Asked Questions
Invoice Reminder Templates FAQ
Questions about invoice reminder timing, wording, and automation
What should an invoice reminder say?
A good invoice reminder should be polite, specific, and direct. It should include the invoice number, amount, due date, payment link, and a clear next step.
When should invoice reminders be sent?
Many businesses send reminders before the due date, on the due date, a few days after, and then at a regular cadence until the invoice is resolved.
Can invoice reminders be automated?
Yes. Reminder templates can be automated inside accounting tools or connected workflows, while still leaving room for manual review when a customer situation is sensitive.