Payment Reminder Email Template (Before Due, Due Date, Overdue)

Use these payment reminder email templates before due, on the due date, and after overdue invoices to get faster replies and a clearer payment date.

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$39

One-time payment for a basic reminder pack.

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$89

Full multi-email sequence plus templates and variations.

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Subject lines (by stage)

Use short, specific subjects. Include the invoice number, and switch from friendly → firm as the invoice ages.

Before due

Reminder: invoice #{InvoiceNumber} due {DueDate}
Quick heads-up — payment due {DueDate}
Invoice #{InvoiceNumber} due soon
Friendly reminder: invoice #{InvoiceNumber}
Payment due next week — #{InvoiceNumber}

Due today

Invoice #{InvoiceNumber} due today
Due today: #{InvoiceNumber} ({Amount})
Payment due today — #{InvoiceNumber}
Reminder: #{InvoiceNumber} due today
Invoice due today — please confirm

Overdue (friendly → firm)

Quick check-in on invoice #{InvoiceNumber}
Following up: invoice #{InvoiceNumber}
Payment date confirmation — invoice #{InvoiceNumber}
Outstanding invoice #{InvoiceNumber} — please advise
Action required: overdue invoice #{InvoiceNumber}

Email templates

Before due (friendly heads-up)

Subject: Reminder: invoice #{InvoiceNumber} due {DueDate}

Hi {Name},

Friendly reminder that invoice #{InvoiceNumber} for {Amount} is due on {DueDate}.
If you need anything from my side to process payment, I’m happy to help.

Thanks,
{YourName}

Due today (short)

Subject: Invoice #{InvoiceNumber} due today

Hi {Name},

Quick reminder that invoice #{InvoiceNumber} ({Amount}) is due today.
Payment details: {PaymentDetails}

Thanks,
{YourName}

1–3 days overdue (ask for the payment date)

Subject: Quick check-in on invoice #{InvoiceNumber}

Hi {Name},

Just checking in — invoice #{InvoiceNumber} for {Amount} was due on {DueDate}.
Could you confirm the expected payment date?

Thanks,
{YourName}

Final notice (deadline)

Subject: Final notice: invoice #{InvoiceNumber}

Hi {Name},

Invoice #{InvoiceNumber} ({Amount}) remains unpaid (due {DueDate}).
Please confirm payment by {DeadlineDate}. If we don’t hear back, we’ll proceed with the next steps per our agreement.

Regards,
{YourName}

Simple follow-up schedule

7 days before due: friendly heads-up
Due date: due today reminder
1–3 days overdue: ask for the payment date
4–7 days overdue: firm follow-up
10–14 days overdue: final notice with deadline

FAQ

Send a friendly heads-up before the due date, a short reminder on the due date, and a payment-date request 1–3 days after it becomes overdue.