A payment reminder message is a short, polite note that tells a client an invoice is due or overdue, says how much they owe and makes it easy to pay.
Asking for money feels awkward, especially from clients you like. But staying quiet costs more: unpaid invoices come straight out of your profit and your cash. A simple sequence of reminders does the asking for you, one small step at a time, without damaging the relationship.
Key takeaways
- Send the first reminder before the due date, not after.
- Keep each message short: amount, invoice number, due date and a payment link.
- Raise the tone slowly: friendly, then polite, then firm.
- Use text for quick nudges and email for the details and the record.
The Payment Reminder Sequence at a Glance
| Stage | When to send | Channel | Tone |
|---|---|---|---|
| Friendly heads-up | 3 days before the due date | Text or email | Friendly |
| Due today | On the due date | Text | Friendly |
| Overdue | 1 to 3 days late | Text + email | Polite |
| Second notice | 14 days late | Email (and a call) | Polite and firm |
| Final notice | 30 days late | Firm, with next steps |
These timings are a practical starting point, not a rule. If your clients usually pay on 30-day terms, or you work with them every week, adjust the days and keep the order.
Download All Payment Reminder Messages (Word)
Every message on this page is free to copy as it is, no email required. Tap Copy on any message, or download them all in one file to edit and keep.
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Get the free guide ↓Friendly Payment Reminder Messages (Before the Due Date)
A good payment reminder message names the client, the invoice number, the amount and the due date, then makes paying easy with a link or clear instructions. Keep it short and friendly at first, and save firmer wording for later reminders, so the client feels reminded rather than accused.
Text message 1
Hi [Name], quick heads-up: invoice #[number] for [amount] is due on [date]. You can pay here: [link]. Thanks! [Your name], [Business]
Text message 2
Hi [Name], hope the [job] is working out well! Just a friendly reminder that invoice #[number] ([amount]) is due this [day]. Pay link: [link]. Any questions, just reply. [Your name]
Subject: Friendly reminder: invoice #[number] due [date]
Hi [Name],
I hope all is well. This is a quick reminder that invoice #[number] for [amount] is due on [date].
You can pay online here: [link]. I've attached the invoice again for your records.
Thank you for choosing [Business]. If you have any questions about the invoice, just reply to this email.
Best,
[Your name]
Payment Due Today: Simple Reminder Messages
On the due date, keep it light. Most clients simply forgot.
Text message 1
Hi [Name], just a reminder that invoice #[number] for [amount] is due today. Here's the link to pay: [link]. Thank you! [Your name]
Text message 2
Good morning [Name]! Today's the due date for invoice #[number] ([amount]). If it's already on its way, please ignore this. Pay link: [link]
Subject: Invoice #[number] is due today
Hi [Name],
Just a quick note that invoice #[number] for [amount] is due today. You can pay here: [link].
If you've already sent it, thank you, and please ignore this message.
Best,
[Your name]
Polite Payment Reminder Messages for Overdue Invoices
Start by assuming it was an oversight. Mention the invoice number, amount and original due date, add a payment link and ask if anything is holding the payment up. Thank them in advance. If there is still no reply after a week, follow up with a slightly firmer message and offer a quick call.
1 to 3 days late
Text message 1
Hi [Name], I haven't seen payment for invoice #[number] ([amount], due [date]) yet. Could you take a look when you have a minute? Pay link: [link]. Thanks! [Your name]
Text message 2
Hi [Name], just following up on invoice #[number] for [amount], which was due on [date]. Is anything holding it up? Happy to help. [link]
Short email
Subject: Overdue: invoice #[number] ([amount])
Hi [Name],
I wanted to follow up on invoice #[number] for [amount], which was due on [date]. I haven't received payment yet, so I'm guessing it may have slipped through.
You can pay here: [link]. If there's a problem with the invoice, just let me know and I'll sort it out.
Thanks in advance,
[Your name]
14 days late: second notice
Detailed email
Subject: Second notice: invoice #[number] is now 14 days overdue
Hi [Name],
I'm following up on invoice #[number], which is now 14 days past due. Here are the details:
- Service: [short description of the job]
- Completed on: [date]
- Amount due: [amount]
- Original due date: [date]
You can pay online here: [link], or by [other payment method].
If something is preventing payment, I'd rather know so we can work it out. Could you reply by [date], or let me know a good time for a quick call?
Thank you,
[Your name]
[Business] · [phone]
At this stage, a short phone call often works better than another email. Keep it friendly: "I'm just calling about invoice [number]. Is everything OK with it?"
Firm Final Payment Reminder (Without Burning the Relationship)
If an invoice is 30 days late and your earlier messages went unanswered, it's time to be clear and firm. Stay calm and factual, give a specific date and say what happens next. Never threaten, and never discuss the debt with anyone other than the client.
Text message
Hi [Name], invoice #[number] for [amount] is now 30 days overdue. I've emailed the details. Please pay by [date] or call me to set up a payment plan. [Your name]
Final notice email
Subject: Final notice: invoice #[number] for [amount]
Hi [Name],
Invoice #[number] for [amount], due on [date], is now 30 days overdue, and I haven't been able to reach you about it.
Please make the payment by [date] here: [link]. If paying the full amount at once is difficult, reply and we can agree on a payment plan.
If I don't hear from you by [date], I'll need to [pause any new work / take the next step we agreed in our terms].
I'd much rather resolve this together.
Regards,
[Your name]
[Business] · [phone]
Rules on collecting unpaid invoices, late fees and interest differ by state and province, and should match what your quote or contract said. This is general information, not legal advice.
Payment Reminder Email Subject Lines
Subject lines decide whether the email gets opened. Put the invoice number in every one, so the client can find it later.
Friendly (before or on the due date)
- Friendly reminder: invoice #[number] due [date]
- Invoice #[number] is due today
- Quick reminder about invoice #[number]
Overdue (polite)
- Overdue: invoice #[number] ([amount])
- Following up on invoice #[number]
- Is anything holding up invoice #[number]?
Final (firm)
- Second notice: invoice #[number] is 14 days overdue
- Final notice: invoice #[number] for [amount]
- Action needed by [date]: invoice #[number]
Payment Reminder Messages on WhatsApp
On WhatsApp, keep it even shorter and more conversational. One or two lines, the amount and the payment link, so they can pay without leaving the chat.
WhatsApp 1 (friendly)
Hi [Name] 👋 Quick reminder: invoice #[number] for [amount] is due [date]. Pay here: [link]. Thanks!
WhatsApp 2 (overdue)
Hi [Name], just checking on invoice #[number] ([amount]), due [date]. Here's the link again: [link]. Let me know if you have any questions.
Only message clients on WhatsApp or by text if they gave you their number for this kind of contact, and stop if they ask you to.
How to Write Your Own Payment Reminder (Checklist)
To remind someone to make a payment, be specific and make it easy. Say which invoice, how much and when it was due, include a payment link and a way to ask questions, and match the tone to how late the payment is. A clear, polite message gets paid faster than a vague one.
- ☐ Client's name
- ☐ Invoice number
- ☐ Amount due
- ☐ Due date
- ☐ Payment link or payment instructions
- ☐ How to reach you with questions
- ☐ The right tone for the stage: friendly, polite or firm
The easiest reminder is the one you never have to send. Put your payment terms and due date in every quote, so there's no surprise later; the free quote template includes them. And every invoice paid on time shows up in your profit and loss statement.
Quick Win 4 in the free guide walks you through collecting every unpaid invoice this week. Get the free 5 Quick Wins guide ↓
Use AI to Personalize Your Reminders
An AI assistant (ChatGPT, Claude, Gemini or Copilot) can adapt any message on this page to your business, your client and the amount. Paste this prompt and fill in the brackets:
You are helping a small [type of business] collect an unpaid invoice. Write a [friendly / polite / firm] payment reminder as a [text message under 300 characters / short email with a subject line].
Client name: [name]. Invoice: [number]. Amount: [amount]. Due date: [date]. Days late: [number]. Payment link: [link].
Keep it respectful, do not threaten, and end with one clear next step.
Ask for three versions and pick the one that sounds most like you. Always read it before sending, and don't paste more client details than the message needs.
Frequently asked questions
How do I politely ask for an overdue payment?
Assume it was an oversight. Mention the invoice number, the amount and the original due date, include a payment link and ask if anything is holding it up. If there's no reply after a week, send a slightly firmer message and offer a quick call.
How long should I wait before sending a payment reminder?
Don't wait. Send a friendly heads-up about 3 days before the due date, a short note on the day, and a polite follow-up 1 to 3 days after. Then a second notice at 14 days and a final notice at 30 days.
Is it better to send a payment reminder by text or by email?
Use both. A text message is best for quick, friendly nudges around the due date because it gets seen fast. Email is better for overdue invoices, because it carries the invoice details, a subject line and a written record you can refer to later.
What should a payment reminder include?
The client's name, the invoice number, the amount, the due date, a payment link or instructions, and how to reach you with questions. Keep it short, and match the tone to how late the payment is.
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Want to get paid on time without chasing?
These messages come from the approach in The AI Money Manager, book 4 of the AI for Small Business series: invoices that get paid, prices that cover your costs and a 13-week cash plan, with the Money Dashboard spreadsheet to track it all. The book is included in both the Essentials and the Complete Kit. The Complete Kit also adds The Message Kit, 61 ready-to-send messages, including a payment plan offer and a "payment received" thank-you. Every kit comes with a 30-day money-back guarantee.
See the full kit · or start with the free 5 Quick Wins guide