Invoice Email: Send Invoice Again — Short, Formal, Friendly, Firm

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Last updated: February 19, 2026

Invoice Email: Send Invoice Again — Short, Formal, Friendly, Firm

Drowning in unpaid invoices? Resending them wrong can damage relationships—get it right with these four precise, context-driven templates. Transform follow-ups into faster payments without losing clients.

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Quick Template (Short)

Hi [[NAME]], resending invoice [[REFERENCE]] for your immediate attention. It was due on [original due date]. Please process payment today. Best, [[YOUR_NAME]].

Formal Version

Dear [[NAME]], I hope this message finds you well. We are writing to respectfully remind you of invoice [[REFERENCE]], which remains outstanding per our agreement dated [date]. Kindly settle this amount by [new deadline] to avoid service interruptions. We appreciate your prompt cooperation. Sincerely, [[YOUR_NAME]].

Friendly Version

Hey [[NAME]], hope you're having a solid week! Just looping back on invoice [[REFERENCE]]—it might have gotten buried in your inbox. No stress, but whenever you can, a quick pay would be awesome. Chat soon, [[YOUR_NAME]].

Firm Version

Hi [[NAME]], this is a final escalation for invoice [[REFERENCE]], overdue since [original due date]. Payment is now 30 days past due; full settlement is required by [firm deadline] to prevent account suspension and additional fees. Do not reply—remit payment immediately. Regards, [[YOUR_NAME]].

Subject Lines (Pick one)

  • Second Notice: Invoice [[REFERENCE]] for [[NAME]] – Payment Overdue
  • Urgent Follow-Up: Resent Invoice [[REFERENCE]] – Action Required by [[YOUR_NAME]]
  • Final Request: Invoice [[REFERENCE]] Pending for [[NAME]] – Immediate Payment Needed

Tips

  • Always attach the original invoice PDF with clear due date highlighted.
  • Mention the exact service or project name to jog client memory.
  • Send follow-ups mid-week, Tuesday AM, for highest open rates.

Related templates

More templates in the same category:

FAQ

Q: What if the client says they already paid the original invoice?
A: Politely ask for transaction details and proof; cross-check your records before responding to avoid errors.

Q: Is it okay to resend invoices on weekends or evenings?
A: No—send during business hours, ideally Tuesday-Thursday mornings, for professional timing and better response.

Personalized Generator (Fill & Copy)

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




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