Follow up clearly.
Keep the conversation open.

By Kairo Business Tools · Updated September 27, 2026

A useful invoice reminder gives the customer enough context to act and an easy way to flag a problem. Adapt these messages to the relationship and the payment terms you already agreed.

Download all three templates

Check these details before you send

• Confirm the invoice reached the correct billing contact.
• Check the due date, outstanding balance and any recent payment.
• Check whether there is an unresolved question about the work.
• Use the agreed payment instructions and a trusted invoice link.
• Replace every bracketed placeholder before sending.

Hi [first name],

A quick reminder that invoice [number] for [work or order] is due on [date]. The outstanding amount is [amount].

You can find the invoice and agreed payment instructions here: [secure invoice link]. Please let me know if you need anything from me to arrange payment.

Thank you,
[your name]

Hi [first name],

I’m checking in on invoice [number], which was due on [date]. Our records show [amount] outstanding.

Could you confirm whether payment has been scheduled, or whether there is a question about the invoice that we can resolve? If you have already paid, please share the payment date or reference so we can match it.

Thank you,
[your name]

Hi [first name],

Following up on invoice [number] and my message on [date]. Could you let me know the expected payment date, or the right person to speak with about this invoice?

If something is preventing payment, please reply so we can discuss the next step.

Thank you,
[your name]

A simple follow-up routine

Choose a review day, rather than sending repeated reminders whenever you notice an unpaid invoice. Record the last contact date, their reply and your agreed next action. Pause reminders when the customer raises a dispute or says payment has already been sent, and check the records first.

These are communication templates, not a collection policy. They do not add fees, change payment terms or establish legal rights. Choose any escalation based on your agreement and the circumstances.

When a template is not enough

If you repeatedly lose track of who was contacted, note where the handoff breaks: invoice creation, delivery, payment matching or follow-up. That is more useful than deciding you need new software before identifying the gap.

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