Invoices
Write the invoice. Add the payment code. Get paid.
By sentence or form: Operate writes the invoice with a payment code, matches the payment in your account and prepares the reminder if it does not arrive. Nothing is filed until you explicitly approve it.
Free plan, no credit card · 14-day trial on paid plans · 30-day money-back guarantee · Export your data any time
Huber GmbH · due November 15
- Labour€1,240.00
- Materials€293.33
- 20% VAT€306.67
- Total€1,840.00
Everything included
So your money arrives sooner.
Payment code (EPC QR)
Customers scan it, amount and reference are correct – no retyping.
Payments recognised automatically
When the money arrives in your account, Operate matches the payment to the invoice and marks it as paid when the match is clear.
Reminder with default interest
If the payment does not arrive, the reminder with statutory interest and fees is ready. One click: send.
E-invoice
ZUGFeRD and XRechnung for customers who need them.
Quote to invoice
An accepted quote becomes an invoice with one click.
Customer portal
Customers see invoices and quotes online (from Pro).
When nobody pays
No need to chase.
Operate keeps an eye on open invoices. When one is overdue, you get a suggestion – with the reminder ready, including statutory default interest.
Invoice 2026-041 to Huber GmbH is 14 days overdue. The reminder with €4.12 default interest is prepared.
Questions
Questions about invoices
How many invoices can I write per month?
Free: 5, Starter: 30, Pro: unlimited, Business: unlimited per month.
Can I use my logo?
Yes, you set logo, colours and texts once in the settings.
Are the invoices valid in Austria?
Operate adds the mandatory details of Austrian invoices for you, including VAT ID and tax rate.
You work. Operate does the rest.
Start for free – no credit card.