Unpaid invoice email template
Use this when a payment is late enough that you need a documented message, not another vague check-in.
Use it for
Invoice remains unpaid after a reminder
Do not paste client names, emails, invoice numbers, bank details, tax IDs, addresses, contracts, or private accounting records.
Confirm payment timing
Keep the message documented
Name a practical next step
Subject
Unpaid invoice follow-up
Documented follow-up
This invoice remains unpaid after my earlier reminder. Please confirm today whether payment has been sent or when it is scheduled.
Get the Quote Approval Kit
The paid download includes late-payment follow-up scripts, final-reminder wording, quote red flags, privacy copy, and paid-delivery checklists.
Stripe handles checkout and card details.
The success page verifies the Checkout Session server-side.
Verified buyers get the Quote Approval Kit markdown download immediately.
Anonymous events may track checkout clicks, exports, purchases, and delivery failures. They never include client names, emails, invoice details, or message text.
View safe aggregate checkout statusBuy the $9 Quote Approval Kit bundle