Past-Due Reminder Best Practices & Templates

Use cadences and copy-ready templates to recover overdue invoices faster

Sending reminders at the right time helps ensure invoices are paid promptly while keeping communication professional and positive.

Below, you'll find recommended reminder intervals along with copy-and-paste email templates that can be used in automated past-due invoice sequences. Each template can be easily customized for your business’s tone, timing, and workflow.

Reminder Sequence Best Practices ⚡

• Start reminders early. Sending your first reminder shortly after the invoice due date greatly increases the chance of timely payment.
• Escalate tone gradually. Begin with friendly reminders, then progress toward direct payment expectations and policy enforcement.
• Repeat strategically. Consistent reminders keep invoices visible without overwhelming customers.
• Reference billing policies. Mention late-fee policies before they take effect so customers have time to resolve the invoice.
• Define a stopping point. Typically around 45–60 days past due before transitioning to manual follow-up or other collections actions.

Example Reminder Cadence ⏱️

Stage	Timing	Purpose
Friendly Reminder	3 days past due	Assumes oversight
Follow-Up Reminder	7 days past due	Maintain visibility
Firm Reminder	14 days past due	Set payment expectation
Late Fee Warning	21 days past due	Policy reminder
Late Fee Applied	30+ days past due	Policy enforcement

Pre-Built Email Templates ✉️

Click a template below to expand it. Use the Copy Template button to quickly paste it into your reminder sequence.

Template 1 — Friendly Reminder ▶

Email Template Copy Template

Subject: Friendly Reminder: Invoice {{InvoiceNumber}}

Hi {{CustomerName}},

This is a quick reminder that Invoice {{InvoiceNumber}} for {{AmountDue}}, originally due on {{DueDate}}, appears to still be outstanding.

You can review and pay the invoice here:
{{InvoiceLink}}

If payment has already been submitted, please disregard this message.

Best regards,
{{CompanyName}}

Template 2 — First Follow-Up ▶

Email Template Copy Template

Subject: Follow-Up: Invoice {{InvoiceNumber}}

Hi {{CustomerName}},

We're following up regarding Invoice {{InvoiceNumber}} for {{AmountDue}}, which was due on {{DueDate}}.

It appears the invoice may still be outstanding.

You can review and submit payment here:
{{InvoiceLink}}

Please let us know if there are any questions.

Thank you,
{{CompanyName}}

Template 3 — Firm Reminder ▶

Email Template Copy Template

Subject: Invoice {{InvoiceNumber}} is Past Due

Hi {{CustomerName}},

We wanted to follow up regarding Invoice {{InvoiceNumber}} for {{AmountDue}}, which was due on {{DueDate}} and remains unpaid.

Please submit payment at your earliest convenience.

You can pay the invoice here:
{{InvoiceLink}}

If payment has already been made, please disregard this message.

Best,
{{CompanyName}}

Template 4 — Late Fee Warning ▶

Email Template Copy Template

Subject: Reminder: Invoice {{InvoiceNumber}} Past Due

Hi {{CustomerName}},

Invoice {{InvoiceNumber}} for {{AmountDue}} remains unpaid.

Please note that according to our billing terms, invoices unpaid after {{LateFeeDate}} may incur a late fee.

You can review and submit payment here:
{{InvoiceLink}}

Thank you,
{{CompanyName}}

Template 5 — Late Fee Applied ▶

Email Template Copy Template

Subject: Action Required: Late Fee Applied to Invoice {{InvoiceNumber}}

Hi {{CustomerName}},

We are reaching out regarding Invoice {{InvoiceNumber}}, originally due on {{DueDate}}.

As the invoice remains unpaid, a late fee has now been applied according to our billing policy.

Updated balance: {{AmountDue}}

You can review and submit payment here:
{{InvoiceLink}}

To avoid additional penalties or potential service interruption, please resolve the balance as soon as possible.

Thank you,
{{CompanyName}}

💡 Need to set up your reminder sequences?
If you haven’t configured your past-due invoice sequences yet, start with our step-by-step setup guide . It will walk you through creating and managing your sequences easily.