Invoice Email Templates: New Invoice, Reminder, Overdue, Thank-You

Four copy-paste email templates for every stage of invoicing. Replace the [bracketed] parts with your details. Each includes a subject line and body text, ready to send.

1. New invoice

Subject: Invoice [INV-1001] from [Your Business] — due [date]

Hi [Name],

Please find attached invoice [INV-1001] for [amount], due [date].

Payment details are on the invoice. Let me know if you have any questions.

Thanks,
[Your name]
[Business] · [Phone]

2. Gentle reminder (before due date)

Subject: Friendly reminder: Invoice [INV-1001] due [date]

Hi [Name],

Just a quick heads-up that invoice [INV-1001] for [amount] is due on [date]. I’ve attached a copy in case it’s easier to find.

Thanks,
[Your name]

3. Overdue notice

Subject: Overdue: Invoice [INV-1001] — [X] days past due

Hi [Name],

Invoice [INV-1001] for [amount] was due on [date] and is now [X] days overdue. Could you let me know when I can expect payment?

If it’s already been sent, please disregard this. Otherwise, I’ve attached a copy for your records.

Thanks,
[Your name]

4. Thank-you (payment received)

Subject: Thank you — payment received for Invoice [INV-1001]

Hi [Name],

Thank you — I’ve received your payment of [amount] for invoice [INV-1001]. A receipt is attached for your records.

Appreciate your business!

Best,
[Your name]

For more reminder strategies, see payment reminder templates. Create the invoice itself with the free invoice generator.

Last checked: October 2026. By Innvoic.