Home » Business & Clients » Payment & Invoice

Last updated: February 19, 2026

How to Write Invoice Email: Send Invoice Again (With Examples)

Stuck in the invoice follow-up loop? Mastering the art of the resend email can transform unpaid invoices into cleared payments. We provide precise, context-driven templates to help you navigate this delicate task.

On this page

• Quick template (short)
• Formal version
• Friendly version
• Firm version
• Subject lines
• Tips
• FAQ
• Personalized generator

Quick Template (Short)

Copy

Hi [[NAME]], following up on invoice [[REFERENCE]]. Please process this payment soon. Let me know if you need anything. Best, [[YOUR_NAME]]

Formal Version

Copy

Dear [[NAME]], I am writing to respectfully follow up on invoice [[REFERENCE]], originally sent on [date]. As this remains outstanding, I kindly request your attention to settle this at your earliest convenience. Please contact me with any questions. Sincerely, [[YOUR_NAME]]

Friendly Version

Copy

Hey [[NAME]], hope all's well! Just a gentle nudge on invoice [[REFERENCE]] from our recent project. No rush, but whenever you can sort it out, that'd be great. Thanks! [[YOUR_NAME]]

Firm Version

Copy

Hi [[NAME]], this is a formal notice: invoice [[REFERENCE]] is now [number] days overdue. Payment is required by [date] to avoid account suspension or collection. Immediate action expected. Regards, [[YOUR_NAME]]

Subject Lines (Pick one)

• Re: Invoice [[REFERENCE]] – Friendly Reminder for Payment
• Action Required: Outstanding Balance on Invoice [[REFERENCE]]
• Urgent Follow-Up: Invoice [[REFERENCE]] Now Overdue

Tips

• Reference a specific deliverable or meeting from your work together to jog memory.
• Include a direct payment link in the email signature for one-click settlement.
• Send follow-ups mid-week, Tuesday to Thursday, for higher response rates.

Related templates

More templates in the same category:

• Invoice Email: Send Invoice Again (Copy + Paste)
• Invoice Email: Request Payment Status Update: Templates + Subject Lines
• Invoice Email: Request Payment Status Update (Copy + Paste)
• Invoice Email: Send Invoice Again: Templates + Subject Lines
• Invoice Email: Request Payment Status Update — Short, Formal, Friendly, Firm

FAQ

Q: When should I stop emailing and switch to a phone call or formal demand letter?
A: After 2-3 unanswered emails over 3-4 weeks, escalate to a call or written demand.

Q: Is it appropriate to mention late fees in the first follow-up email?
A: No, mention late fees only in later reminders, after the original due date has passed.

Personalized Generator (Fill & Copy)

Fill in the fields to generate a ready-to-send invoice email. Example Invoice: Invoice #INV-7712.