Overdue Invoice Email Template (Polite, Firm, Final)

Copy/paste an overdue invoice email template, choose the right tone, and ask for a payment date with a follow-up that gets unpaid invoices moving faster.

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What to include in an overdue invoice email (so it actually works)

Invoice number + amount + due date
Ask to confirm the payment date
Payment link/details
Clear next step (reply with date or pay today)

Subject lines that get opened (without sounding aggressive)

Quick check-in on invoice #{InvoiceNumber}
Payment date confirmation — invoice #{InvoiceNumber}
Following up: invoice #{InvoiceNumber} (due {DueDate})
Outstanding invoice #{InvoiceNumber} — please advise
Can you confirm payment timing?

Email templates

Template 1 — Friendly

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

Hi {Name},

Just a quick check-in regarding invoice #{InvoiceNumber} for {Amount}, due on {DueDate}.
Could you please confirm the expected payment date?

If payment has already been sent, feel free to ignore this and let me know the reference.

Thanks,
{YourName}
{Company}

Template 2 — Firm

Subject: Payment date confirmation — invoice #{InvoiceNumber}

Hi {Name},

Invoice #{InvoiceNumber} ({Amount}) is now overdue since {DueDate}.
Can you confirm the payment date by EOD {DayOfWeek}?

Payment details are included below:
{PaymentDetails}

Thanks,
{YourName}

Template 3 — Final

Subject: Final notice: invoice #{InvoiceNumber}

Hi {Name},

This is a final reminder that invoice #{InvoiceNumber} for {Amount} remains unpaid (due {DueDate}).
Please confirm today whether payment will be made, and on what date.

If we don’t hear back by {DeadlineDate}, we’ll proceed with the next steps outlined in our agreement.

Regards,
{YourName}
{Company}

Follow-up schedule (simple and effective)

Day 1 overdue: Friendly check-in
Day 4–5: Firm ask for payment date
Day 10–14: Final notice with deadline

FAQ

80–140 words. Include invoice #, amount, due date, and ask for the payment date.

Overdue Invoice Email Template (Polite, Firm, Final)

What to include in an overdue invoice email (so it actually works)

Subject lines that get opened (without sounding aggressive)

Email templates

Follow-up schedule (simple and effective)

FAQ

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