Overdue Invoice TemplatesPublished February 13, 2026

6 overdue invoice email templates: gentle to final notice

“I have a client who is 45 days past due. I've sent three emails and heard nothing back. I don't want to burn the relationship but I also need to get paid for work I already delivered.”

- Freelancer on r/freelance

The invoice is past due. Now what? Chasing overdue payments is uncomfortable, but ignoring them is expensive. Here are 6 overdue invoice email templates you can copy and paste, escalating from a gentle “just checking in” to a formal final notice with consequences.

6 copy-paste templatesGentle to final noticeFree to use

The overdue invoice email templates

Each overdue invoice reminder email is calibrated for a specific stage of the collection process. Replace the [BRACKETED] fields with your details and send.

1

Just checking in

Gentle & friendly1 day overdue
Subject line

Quick follow-up: Invoice [#INVOICE] was due yesterday

Email body
Hi [CLIENT NAME],

Hope you're well. I wanted to quickly flag that invoice [#INVOICE] for [AMOUNT] was due yesterday ([DUE DATE]).

No worries at all, these things slip through the cracks. Just wanted to make sure it's on your radar.

Here are the details:
- Invoice: [#INVOICE]
- Amount: [AMOUNT]
- Due date: [DUE DATE]

[PAYMENT LINK / BANK DETAILS]

If you've already sent payment, please disregard this. Otherwise, I'd appreciate it whenever you get a chance.

Thanks,
[YOUR NAME]
2

Polite follow-up

Polite & direct7 days overdue
Subject line

Following up: Invoice [#INVOICE] is now 7 days past due

Email body
Hi [CLIENT NAME],

I'm following up on invoice [#INVOICE] for [AMOUNT], which was due on [DUE DATE], now 7 days ago.

I understand things get busy, so I wanted to check in. Is everything okay with this invoice? If there's a question about the work or the amount, I'm happy to discuss.

For your reference:
- Invoice: [#INVOICE]
- Amount: [AMOUNT]
- Original due date: [DUE DATE]
- Days overdue: 7

[PAYMENT LINK / BANK DETAILS]

A quick reply letting me know the status would be greatly appreciated.

Thanks,
[YOUR NAME]
3

Firm reminder

Firm & professional14 days overdue
Subject line

Action needed: Invoice [#INVOICE] is 14 days overdue, [AMOUNT]

Email body
Hi [CLIENT NAME],

I'm writing regarding invoice [#INVOICE] for [AMOUNT], which is now 14 days past the due date of [DUE DATE]. This is my third reminder regarding this payment.

I value our working relationship and would like to resolve this promptly. Could you please:

1. Confirm when payment will be sent, or
2. Let me know if there's an issue I should be aware of

Invoice details:
- Invoice: [#INVOICE]
- Amount: [AMOUNT]
- Due: [DUE DATE] (14 days ago)

[PAYMENT LINK / BANK DETAILS]

I'd appreciate a response within the next 3 business days.

Regards,
[YOUR NAME]
4

Formal demand

Formal & serious30 days overdue
Subject line

OVERDUE: Invoice [#INVOICE], 30 days past due, [AMOUNT]

Email body
Dear [CLIENT NAME],

This is a formal notice regarding the outstanding balance on invoice [#INVOICE] for [AMOUNT], which was due on [DUE DATE], now 30 days overdue.

Despite previous reminders on [DATES OF PREVIOUS REMINDERS], this invoice remains unpaid. Per our agreed payment terms, this balance is now well past due.

Outstanding details:
- Invoice: [#INVOICE]
- Original amount: [AMOUNT]
- Due date: [DUE DATE]
- Days overdue: 30
- Late fees (if applicable): [LATE FEE AMOUNT]

Please arrange full payment within 7 business days of this notice. If you are experiencing financial difficulties, please contact me directly so we can discuss a payment arrangement before further action is required.

[PAYMENT LINK / BANK DETAILS]

Regards,
[YOUR NAME]
5

Final notice with consequences

Final & urgent60 days overdue
Subject line

FINAL NOTICE: Invoice [#INVOICE], [AMOUNT], Immediate payment required

Email body
Dear [CLIENT NAME],

This is a final notice regarding the unpaid balance of [AMOUNT] on invoice [#INVOICE], originally due on [DUE DATE]. This invoice is now 60 days overdue.

I have made multiple attempts to resolve this matter, including reminders sent on [DATES OF PREVIOUS REMINDERS], without receiving payment or a response.

If full payment of [AMOUNT] is not received within 10 days of this notice, I will have no choice but to:
- Refer this debt to a third-party collections agency
- Pursue legal remedies available under our agreement
- Report the outstanding balance to relevant credit agencies

To resolve this immediately:

[PAYMENT LINK / BANK DETAILS]

If there are circumstances preventing payment, this is your final opportunity to contact me and arrange a payment plan before I escalate.

Regards,
[YOUR NAME]
6

Account on hold notification

Professional & definitiveAccount on hold
Subject line

Your account has been placed on hold: Outstanding invoice [#INVOICE]

Email body
Dear [CLIENT NAME],

Due to the outstanding balance of [AMOUNT] on invoice [#INVOICE] (originally due [DUE DATE], now [DAYS] days overdue), I have placed your account on hold effective immediately.

What this means:
- All ongoing work has been paused
- No new orders or projects will be accepted
- Existing deliverables will not be released until the balance is cleared

To reactivate your account, please remit full payment of [AMOUNT]:

[PAYMENT LINK / BANK DETAILS]

Once payment is confirmed, your account will be reactivated and work will resume within 1 business day.

If you believe there has been an error or wish to discuss a payment arrangement, please reply to this email within 5 business days.

Regards,
[YOUR NAME]

Overdue invoice email best practices

The right words matter, but so does the approach. Follow these principles to maximize your chances of getting paid.

1

Follow up fast: day one, not day thirty

The longer you wait to follow up on an overdue invoice, the less likely you are to get paid. Research shows collection probability drops to 73% after 3 months. Send your first overdue reminder the day after the due date.

2

Assume good faith first

Most late payments are not malicious. Open with the assumption that the client forgot or the email landed in spam. This preserves the relationship while still moving toward payment.

3

Reference previous communication

In later-stage emails, mention the dates of your previous reminders. This creates a documented timeline and shows the client (and any future arbitrator) that you have been reasonable and persistent.

4

Always include a direct payment link

Every overdue invoice email should make it as easy as possible to pay. Include a clickable payment link or clear bank details. Reducing friction removes the most common excuse: not knowing how to pay.

5

State consequences before acting on them

Never surprise a client with collections, legal action, or account suspension. Always send a written warning with a specific deadline before escalating. This is both professional and often legally required.

6

Pair email with SMS at the overdue stage

Once an invoice is overdue, add SMS to your follow-up strategy. SMS has a 98% open rate compared to 20% for email. A short text saying 'sent you an email about invoice #1234' can break through inbox blindness.

Manual chasing vs. automated reminders

These templates work. But the real cost of overdue invoices is not writing the email. It's the hours spent tracking who owes what, which stage they're at, and remembering to follow up on time.

Chasing overdue invoices manually
  • 1Log into your accounting software daily
  • 2Check which invoices are overdue and by how long
  • 3Find the right template for each stage
  • 4Customize and send each email individually
  • 5Track who responded and who didn't
  • 6Repeat every week, forever
3-5 hours per week. Inconsistent timing. Emotionally draining.
Automating with ChaseBot
  • 1Connect your Xero account (30 seconds)
  • 2Set your overdue reminder templates and timing
  • 3ChaseBot escalates automatically as invoices age
  • 4Email + SMS go out on schedule, every time
  • 5Client pays, reminders stop instantly
  • 6You focus on billable work, not collections
Set up once. Runs on autopilot. Escalates without emotion.

Stop chasing overdue invoices manually. Let ChaseBot handle the follow-ups automatically.

ChaseBot pairs these overdue invoice reminder emails with SMS reminders for a 98% open rate. It integrates directly with Xero and stops reminders the instant your client pays. Need to calculate late fees? Use our late payment interest calculator. Or explore our full invoice reminder software feature set.

No credit card requiredFree plan: 5 invoices/moSMS + email included

Overdue invoice escalation timeline

Not sure when to send each outstanding invoice reminder email? Here's the escalation schedule that balances persistence with professionalism.

Days overdueTemplateToneChannel
1 day#1: Just Checking InGentleEmail
7 days#2: Polite Follow-UpPoliteEmail + SMS
14 days#3: Firm ReminderFirmEmail + SMS
30 days#4: Formal DemandFormalEmail
60 days#5: Final NoticeUrgentEmail + SMS
60+ days (no response)#6: Account on HoldDefinitiveEmail

Looking for pre-due and on-due-date templates too? See our full invoice reminder email templates guide which covers the entire cycle from 3 days before due to final notice. Pair email with SMS invoice reminders at the overdue stages for maximum impact.

Frequently asked
questions

Stop chasing overdue invoices.
Start getting paid on time.

These templates will help you recover what you are owed. But if you want to stop writing follow-up emails entirely, ChaseBot sends them automatically, and stops the moment your client pays.

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