Free email template
Overdue Invoice Reminder (7 Days)
Seven days overdue is the sweet spot: recent enough to stay friendly, late enough to ask for a clear date.

Subject line ideas
The subject line decides the open rate — pick the one that fits best.
Gentle reminder: Invoice [Invoice #] is now overdue
Invoice [Invoice #] was due on [Due Date]
Quick check-in about invoice [Invoice #]
Email templates by tone
Choose the tone that fits your relationship and situation, then replace the [placeholders] and send.
Friendly
Subject:Gentle reminder: Invoice [Invoice #] is now overdue
Subject: Gentle reminder: Invoice [Invoice #] is now overdue Hi [Client Name], I wanted to check in about invoice [Invoice #] for [Amount], which was due on [Due Date]. If the payment has already been made, thank you so much — please disregard this email. If there's a reason it hasn't gone through yet, just let me know and we can find a solution. Thanks for your help, [Your Name]
Firm
Subject:Invoice [Invoice #] was due on [Due Date]
Subject: Invoice [Invoice #] was due on [Due Date] Hi [Client Name], Just following up on invoice [Invoice #] for [Amount], which was due on [Due Date] and is now [X] days overdue. Could you please arrange the payment at your earliest convenience? If you're seeing any issue with the invoice, reply to this email and I'll resolve it right away. Best regards, [Your Name]
Urgent
Subject:Overdue invoice [Invoice #] — please action
Subject: Overdue invoice [Invoice #] — please action Hi [Client Name], Our records show invoice [Invoice #] for [Amount] is now overdue by [X] days. We'd appreciate it if you could process the payment this week. If payment has already been sent, please share the reference so we can match it on our side. Regards, [Your Name]
When to send this reminder
- Send 1–2 days after the due date passes — don’t wait a full month.
- Assume good faith: offer to help if the invoice was lost or disputed.
- Attach a copy of the invoice PDF so the client doesn’t have to search.
More free templates
Invoice Email (Sending the Invoice)Payment Reminder (Before Due Date)Second Payment ReminderFinal Notice (30 Days Overdue)Polite Payment ReminderThank You for PaymentGenerate My Payment ReminderGenerate my reminder
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