Payment Reminders: When to Send Them and What to Say
A schedule from friendly nudge to final notice, with ready-to-copy wording.
A simple payment reminder schedule, what each reminder should contain, and wording you can copy for friendly, overdue and final notices.
Last updated October 2026
Most late payments are not refusals. An invoice gets buried in an inbox, waits for an approval, or simply slips someone's mind. A short, well-timed reminder is usually all it takes, and a clear schedule means you never have to decide how awkward it feels each time.
This guide gives a simple reminder schedule, what every reminder should contain, and wording you can copy.
A reminder schedule that works
These timings are suggestions, not rules. Adjust them to your payment terms and to how well you know the client.
| When | What to send | Tone |
|---|---|---|
| 3 to 7 days before the due date | A heads-up with the invoice attached | Friendly |
| On the due date | A note that the invoice is due today, with payment details | Neutral |
| 3 to 7 days after | A polite overdue notice | Friendly but clear |
| About 14 days after | A second reminder that mentions any late fee agreed in your terms | Firm |
| About 30 days after | A final notice before you take further steps | Formal |
What every reminder should contain
- The invoice number and the amount owed
- The original due date, and how many days overdue it is if it is late
- How to pay: bank details or a payment link
- The invoice itself, attached or linked, so nobody has to go looking for it
- A name and a way to reply
Keep it short. A reminder that is easy to act on gets acted on.
Wording you can copy
Before the due date
Hi [Name], A quick reminder that invoice [number] for [amount] is due on [date]. It is attached again for convenience, and payment details are on the invoice. Let me know if you need anything from me. Thanks, [Your name]
Just overdue
Hi [Name], Invoice [number] for [amount] was due on [date] and I have not yet seen payment. Could you let me know when I can expect it? The invoice is attached again. If it has already been sent, please ignore this and thank you. Thanks, [Your name]
Assume it was an oversight. That keeps the relationship intact and usually gets a quick reply.
Final notice
Hi [Name], Invoice [number] for [amount] is now [number] days overdue. Please arrange payment by [date]. If there is a problem with the invoice, tell me and we can sort it out. If I do not hear back, I will have to consider the next steps set out in our agreement. [Your name]
Only mention a step, such as a late fee, that you are entitled to take and are prepared to follow through on.
Email first, then a call
Start with email, because it leaves a record. For larger amounts or a client who has gone quiet, a short phone call after the second reminder often resolves it faster than another message. Keep a note of each reminder and each reply: if the invoice is ever disputed, that history matters.
Common mistakes
- Waiting too long to send the first reminder, so a small delay becomes a large one.
- Sending a reminder without the invoice, which makes the client search for it.
- Chasing an invoice the client is disputing as though it were simply unpaid. Deal with the dispute first; see invoice disputes.
- Threatening something you will not do. A late fee or next step belongs in your terms, agreed in advance.
Late fees and interest
A late fee or interest charge only makes sense if it is in the terms the client agreed to, and the amounts allowed differ by country. See late fees on invoices for typical ranges, and what to do about overdue invoices for the steps after the final notice.
Automating reminders
Zap Bill's Unlimited plan can send payment reminders for you, so the schedule runs without you having to remember it. The pricing page lists what each plan includes.
Frequently asked questions
How soon after the due date should I send a reminder?
A few days after is usual. Sending one the day after the due date can seem pushy, and waiting weeks makes the delay harder to recover. A reminder shortly before the due date helps too.
Should I charge a late fee in my first reminder?
Not unless you are sure your terms allow it and the client has agreed to them. A first reminder works best as a friendly nudge, with the fee mentioned only in later ones.
What if the client says they never received the invoice?
Resend it straight away and, if you can, move the due date to a few days after the resend. Check you have the right email address for the person who approves payments.
When should I stop sending reminders and take other steps?
After a final notice goes unanswered. The next steps depend on your country and the amount; the overdue invoices guide covers the usual options.
Is it rude to remind a client about an invoice?
No. Invoices are business documents with a due date that both sides agreed to. A polite, factual reminder is normal practice.
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