PaidFlow AI supports freelancers, consultants, designers, developers, photographers, coaches, creative studios, and small service businesses that need a calmer way to follow up after a payment request is already in place. The app helps create a collection case with client name, client email, project name, amount, currency, due date, collection stage, and reminder frequency.
1 day overdue
Subject: Payment status for [Project Name]. Hi [Client Name], I am checking in because payment for [Project Name] was due on [Due Date]. The outstanding amount is [Amount]. Could you confirm whether payment has been scheduled? Thank you, [Your Name].
7 days overdue
Subject: Follow-up on overdue payment. Hi [Client Name], I am following up on the payment for [Project Name], which was due on [Due Date]. The amount due is [Amount]. Please send an update on the expected payment date. Best, [Your Name].
14 days overdue
Subject: Second follow-up on [Project Name] payment. Hi [Client Name], I am following up again because payment for [Project Name] remains outstanding. The amount due is [Amount]. Please confirm payment status or let me know if there is a specific issue I should review.
30 days overdue or final internal reminder
Subject: Final internal reminder for [Project Name]. Hi [Client Name], I am sending a final internal reminder regarding the unpaid balance for [Project Name]. The amount due is [Amount], originally due on [Due Date]. Please provide an update by [Response Date].
Client disputed the invoice
If the client disputes scope, quality, delivery, contract terms, amount, or deadline, do not keep sending the same reminder. Reply to the specific dispute, separate facts from assumptions, and decide whether the reminder workflow should pause while the issue is reviewed.
Client promised to pay but did not
Subject: Follow-up on promised payment date. Hi [Client Name], I am checking in because I expected payment for [Project Name] based on your previous update. The amount due is [Amount]. Could you confirm the current payment status and revised expected date?
Subject lines
Good subject lines are plain: Payment status for [Project Name], Follow-up on overdue payment, Second follow-up on [Project Name], or Payment update requested. Keep them searchable and factual.
Tone escalation table
Before due date: friendly. Due date: clear. 7 days overdue: direct. 14 days overdue: firmer and more specific. 30 days overdue: final internal reminder. Tone should become clearer, not threatening.
Optional placeholders
Use [Client Name], [Project Name], [Amount], [Due Date], and [Your Name]. You may add [Invoice Number] or [Payment Link] only if those details already exist in your own invoice or payment system. PaidFlow AI does not create them for you.
How PaidFlow AI fits this workflow
PaidFlow AI can draft professional reminder emails, show sent, delivered, and opened activity as reference signals, and continue scheduled follow-ups using every 3 days, every 5 days, or every 7 days reminder frequency. The user reviews the first reminder, monitors the workflow, pauses automation when needed, and manually confirms payment after checking their own records. After confirmation, a polite thank-you email can help close the process professionally.
Related resources
FAQ
Should I mention late fees?
Only mention late fees if they are part of your existing agreement and you have reviewed the wording independently.
Does an open event prove the client read my overdue invoice email?
No. Open events are reference signals only and may be affected by privacy tools, image blocking, or security scanners.
When should I pause automation?
Pause automation when there is a dispute, incorrect detail, relationship-sensitive issue, or confirmed payment.
PaidFlow AI is now available on Google Play.
Download the Android app from the official Google Play store page.