⚡ Overdue Invoice Assistant

Late Payment Reminder Generator

Auto-generate polite, firm, or final notice emails for late paying clients. Copy reminders instantly.

Invoice Details

Input details of outstanding balance to draft notice

Email Tone Variant

Subject Line
Friendly Reminder: Invoice INV-2026-004 is outstanding
Email Body
Hi Acme Corporation,

I hope you're having a great week.

This is a quick friendly reminder that invoice INV-2026-004 for $1,500.00, which was due on , is now 0 days overdue.

I have attached a copy of the invoice to this email for your convenience. Please let me know if you need any assistance with the payment options or if you have any questions.

If payment has already been sent, please disregard this message.

Best regards,
John Doe
⚡ Automate Overdue Invoices

Stop sending manual follow-ups

Billing on Selpx connects directly to Stripe. Late invoices automatically trigger customizable notification emails, charge late fees, and request settlement securely through client portals.

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How to Ask a Client for Late Payments Professionally

Following up on unpaid invoices requires balancing professionalism with assertiveness. Most late payments are due to administrative oversight, not client refusal. Follow these rules to secure payment:

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Time Reminders

Send a friendly notification 1-3 days before the due date, followed by a follow-up 3 days after the deadline. Regular reminders prevent memory lapses.

📋

Attach Invoices

Always attach a PDF invoice or link directly to a digital payment portal in every email to eliminate steps for the client's accounting team.

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Final Notice

If payment is 30+ days overdue, send a final demand notice specifying service suspension and potential legal/collections escalations.

Frequently Asked Questions (FAQ)

How should I handle a client ignoring payment emails?

If emails are ignored for 14 days, follow up with a direct phone call. If the delay persists, issue a formal **Final Demand Notice** and pause all active contract deliverables.

Can I charge interest on late payments?

Yes, but late fee policies must be agreed upon in writing inside your project Statement of Work (SOW) or Retainer Agreement prior to starting work.

What is a Net 30 payment term?

Net 30 means the client must settle the total invoice amount within 30 calendar days from the date the invoice was officially generated.

How do I automate outstanding payment notices?

Writing and copying reminders manually is tedious. Creating an account on **Selpx** lets you automate Stripe invoicing, auto-sending dunning and overdue emails.