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Invoice overdue? Start here.
Enter the invoice amount and due date — in seconds you'll see the statutory interest and compensation you're legally owed on top. Then get a ready-to-send payment demand letter.
Four steps you can take right now — before you pick up the phone or call a lawyer.
Send a polite reminder with a payment link. Most clients simply forgot — a link they can pay in 30 seconds often settles it without an awkward call.
Still quiet after a few days? Send a firmer reminder with the interest already calculated. A specific number lands harder than another “please”.
Still no response? Issue a formal payment demand letter with a deadline and legal basis. It's the first document a debtor takes seriously — and one that matters if things escalate.
Keep every message and reminder in one documented history. If this ever reaches a lawyer or a collection agency, a complete record speeds up the whole process.
This invoice is already overdue — that part's done. But the next 50 don't have to go the same way. Terminovo sends reminders before the due date (one day ahead), then automatically at day 1, 3, 7, 14 and 30 overdue — with a payment link in every message. No commission on money recovered: unlike a collection agency, you pay a flat subscription, no matter how much comes back.
Try Terminovo for freeConnect your invoices. Import directly from KSeF or upload a CSV file — no retyping, no manual entry. Terminovo immediately identifies every open invoice and starts monitoring payment due dates.
The system monitors payment deadlines for every invoice, automatically. You always know what has been paid, what is due today, and what is already overdue — without opening a spreadsheet.
When a due date approaches or passes, Terminovo sends SMS and email reminders with a direct payment link. Clients pay via BLIK, card, or bank transfer in 30 seconds — directly from the message, no account numbers to find.
If the invoice is still unpaid, escalation kicks in automatically: D-1, D+1, D+3, D+7, D+14, D+30. Every reminder in the sequence includes a payment link. The system stops the moment the client pays.

Every day a payment is late, real money sits frozen in outstanding invoices. Automated payment recovery isn't a luxury. It's quickly becoming the baseline for businesses that want to grow without the cash flow headaches.
Manually tracking overdue invoices is tedious, repetitive work. Terminovo takes it off your plate entirely, sending reminders, tracking responses, and escalating without you lifting a finger. Get your time back for the work that actually moves your business forward.
We send the first reminder a full day before the due date, before the invoice even becomes overdue. Every reminder includes a fast payment link, because the easier it is to pay, the sooner clients do.
Chasing payments doesn't have to be awkward or aggressive. Our reminders are polite, professionally worded, and sent at exactly the right moment. Clients feel informed, not hounded. Your business relationships stay intact.
The dashboard gives you an instant snapshot: which invoices are paid, which are waiting, and which are overdue by how many days. No more digging through spreadsheets or hunting through your inbox. Everything's in one place.
The Terminovo dashboard gives you the full picture: which invoices are paid, which are waiting, and which need attention. You can see the full history of every reminder sent, and which reminders you've paused after a client's promise to pay. No more inbox chaos. This is invoice payment recovery under control.


Traditional debt recovery typically means legal pressure or third-party collectors, stressful for both sides and expensive. Terminovo is soft, automated payment reminders: professional reminders that work before things get serious. You recover what you're owed, keep the client relationship, and pay no commission.
You can set up an account in minutes and start uploading invoices right away. Integrations with accounting and invoicing tools let you import existing invoices automatically. Your first reminder can go out to a client today.
The system escalates automatically on a fixed schedule. Reminders go out every few days, up to 30 days past the due date. If a client tells you they'll pay later, you can pause reminders for that invoice with one click — for a set number of days or indefinitely. If the invoice still goes unpaid, you'll have a full documented communication history that can support any further steps you choose to take.
If you issue KSeF invoices in another system, you can sync them from KSeF directly into Terminovo. We also support CSV/Excel file import and manual entry.
You can start for free. The Free plan includes 3 KSeF invoices per month, no card required. Need more invoices without reminders? Invoices Only gives you 75 invoices for PLN 29/mo. Want automated client reminders too? Plans start at Starter (reminders for up to 15 invoices/mo / PLN 49/mo), Professional (up to 75 invoices/mo / PLN 119/mo), and Business (unlimited / PLN 499/mo). Clients are unlimited on every plan. Cancel anytime. KSeF invoicing is included in every plan.
Join businesses that have ditched the manual invoice follow-up grind. Set up your account in 3 minutes. Your first reminder can go out today.
Try Terminovo for freeWhen reminders are not enough - issue a formal payment demand.
Learn moreCurrent statutory interest rates and how to calculate them.
Learn moreThe full B2B receivables process - from reminders to enforcement.
Learn moreGenerate a formal payment demand letter in seconds.
Learn moreA concrete step-by-step plan for when an invoice is unpaid right now.
Learn more