Templates

7 Invoice Follow-Up Email Templates That Actually Get Paid

Stop writing follow-up emails from scratch. These proven templates cover every stage of the collection process, from a friendly pre-due nudge to a final demand notice. Copy, customize, and send.

1

3 Days Before Due Date

Subject: Upcoming invoice reminder — [Invoice #]

Hi [Client Name],

Just a friendly heads-up that invoice [Invoice #] for [Amount] is due on [Due Date].

If you've already scheduled payment, feel free to disregard this message. Otherwise, here's a quick link to pay now:

[Payment Link]

Thanks for your business!

Best,
[Your Name]
Tip: Sending a pre-due reminder increases on-time payment by up to 30%. Keep the tone light and helpful.
2

On the Due Date

Subject: Invoice [Invoice #] is due today

Hi [Client Name],

This is a reminder that invoice [Invoice #] for [Amount] is due today, [Due Date].

You can pay instantly using this secure link:

[Payment Link]

Please let me know if you have any questions about the invoice.

Best regards,
[Your Name]
Tip: A same-day reminder catches clients who intended to pay but forgot. Keep it brief and action-oriented.
3

3 Days Overdue

Subject: Payment overdue — Invoice [Invoice #]

Hi [Client Name],

I wanted to follow up on invoice [Invoice #] for [Amount], which was due on [Due Date]. It appears payment hasn't been received yet.

If there's an issue with the invoice or you need to discuss payment terms, I'm happy to work something out. Otherwise, you can pay here:

[Payment Link]

Thank you,
[Your Name]
Tip: At 3 days overdue, assume it's an oversight. Stay professional and offer to help resolve any issues.
4

7 Days Overdue

Subject: Second notice — Invoice [Invoice #] past due

Hi [Client Name],

I'm following up again regarding invoice [Invoice #] for [Amount], which is now 7 days past the due date of [Due Date].

I understand things get busy, but I'd appreciate it if you could arrange payment at your earliest convenience:

[Payment Link]

If there's a reason for the delay, please let me know so we can find a solution.

Regards,
[Your Name]
Tip: The second notice should be firmer but still professional. Mention the specific number of days overdue.
5

14 Days Overdue

Subject: Action required — Invoice [Invoice #] is 14 days overdue

Hi [Client Name],

Invoice [Invoice #] for [Amount] is now 14 days past due. I've sent several reminders and haven't received payment or a response.

Please arrange payment within the next 48 hours:

[Payment Link]

If there are circumstances preventing payment, I'm willing to discuss a payment plan. However, I do need to hear back from you.

Thank you,
[Your Name]
Tip: At two weeks, increase urgency. Set a specific deadline and mention the consequence of continued non-payment.
6

30 Days Overdue

Subject: Urgent — Invoice [Invoice #] is 30 days overdue

Dear [Client Name],

This is a formal notice that invoice [Invoice #] for [Amount] remains unpaid, 30 days past the original due date of [Due Date].

Despite multiple reminders, I have not received payment or a response. I value our business relationship and would like to resolve this directly.

Please remit payment within 7 days:

[Payment Link]

If payment is not received, I may need to consider additional collection measures. I hope it doesn't come to that.

Sincerely,
[Your Name]
Tip: At 30 days, shift to formal language. Mention 'collection measures' without being threatening — it signals seriousness.
7

45 Days Overdue

Subject: Final notice — Invoice [Invoice #]

Dear [Client Name],

This is a final notice regarding invoice [Invoice #] for [Amount], which has been outstanding for 45 days.

I have made every effort to resolve this matter amicably. If full payment is not received within 5 business days, I will be forced to pursue formal collection procedures.

Pay now:

[Payment Link]

I sincerely hope we can resolve this without further escalation.

Regards,
[Your Name]
Tip: The final notice should be firm and professional. Give a clear deadline and state the consequence explicitly.

Automate these emails with Unpaid

Why copy-paste when you can automate? Unpaid sends these escalating reminders automatically based on your overdue invoices from QuickBooks, Xero, or FreshBooks.

Start Free Trial