Terms of Service
Last updated: October 2026 · Version 2026-10
These terms cover Billsato, operated by Aranzolm Technologies LLC ("Billsato", "we", "us"): the free invoice generator, and the optional Billsato Pro subscription. Using Billsato means accepting them. If you create a Billsato Pro account you also accept our Privacy Policy and, where we process personal data for you, our Data Processing Agreement. If you use Billsato for a company, you confirm you may bind it, and "you" means that company.
1. What Billsato is
Billsato is a tool for producing invoice PDFs from what you type. The free generator works in your browser and stores nothing on our servers. Billsato Pro saves your details, clients and invoices in an account. Billsato never sends invoices to your clients; you download the PDF and send it yourself.
Billsato Pro is intended for business use — your trade, business, craft or profession.
2. Your invoices are yours, and your responsibility
We claim no rights over what you create. You let us store and process it only to provide the service to you.
You are responsible for what your invoices say — the amounts, the tax treatment, the numbering, the payment details, and whether they meet the legal requirements of your country and your client's. Billsato produces a document from what you enter; it does not check it. Nothing here is accounting, tax or legal advice.
You are responsible for keeping your invoices for as long as the law requires (often 5–10 years). Download them; Billsato is not a substitute for your own records.
Billsato does not support B2B or government e-invoicing mandates, and is not offered for invoicing in Spain or Portugal — see section 4.
3. Billsato Pro accounts
Give accurate information when you sign up, including your country, and keep it up to date. Billsato Pro is not available for businesses in countries under comprehensive sanctions, or in Ukraine, and does not issue invoices in Russian roubles or Ukrainian hryvnia.
Keep your login secure; you are responsible for activity under your account. We recommend turning on two-factor authentication. Tell us at info@billsato.com straight away if you think your account has been compromised.
Issued invoices are locked. When you finalize an invoice it gets the next number in your sequence and can no longer be edited or deleted, so your numbering and records stay intact. To correct one, void it and issue a new invoice. Payments you record against an invoice can't be edited or deleted either. The PDF of each issued invoice is stored exactly as issued.
4. E-invoicing mandates and where Billsato is offered
Billsato creates PDF invoices. In most countries a PDF invoice is a normal way to bill a client. In a growing number of countries it is not enough on its own.
What Billsato produces
A PDF document with your details, your client's details, line items, tax and totals.
Billsato does not support e-invoicing mandates — business-to-business (B2B), business-to-government (B2G) or government clearance systems. It cannot create structured e-invoices (such as XML, UBL, Peppol, Factur-X, ZUGFeRD or XRechnung), cannot send or receive invoices over Peppol or any government platform, and does not report invoices to tax authorities. It does not check whether an invoice meets the rules of your country.
Where a mandate applies to you, the legal invoice has to be issued through a compliant e-invoicing system. A PDF from Billsato can still be useful as a copy, a quote or a pro-forma, but it is not a valid tax invoice on its own there.
B2B e-invoicing mandates
A growing number of countries require invoices between businesses to be exchanged as structured e-invoices. Examples:
- Belgium — mandatory for most domestic B2B invoices since 1 January 2026, usually over Peppol.
- Germany — every business must be able to receive e-invoices since 2025; issuing them becomes mandatory from 2027 for larger businesses and from 2028 for all.
- France — since 1 September 2026 every business must be able to receive e-invoices, and large and mid-size companies must issue them; small businesses follow from September 2027.
- Poland — invoices go through the national e-invoicing system (KSeF), mandatory for most businesses since 2026.
Government clearance systems
Some countries require invoices to be issued or cleared through a government platform. Examples:
- Italy — the national exchange system (SdI).
- Poland — KSeF, as above.
- Taiwan — businesses registered for business tax issue government uniform invoices.
- Uzbekistan — VAT-registered businesses issue invoices through the state electronic invoicing system.
These lists are not complete, and more countries introduce e-invoicing every year — including the EU, which is moving towards mandatory e-invoicing for cross-border B2B sales. Check with your tax office or accountant before relying on a PDF invoice.
Spain and Portugal
Billsato is not offered for invoicing in Spain or Portugal.
5. Free trial, price and billing
Free trial. A new Billsato Pro account can issue invoices free for 7 days from sign-up. No card is needed, and nothing is charged unless you subscribe.
Price. Billsato Pro costs $10 per month. Any tax that applies, such as VAT or sales tax, is shown at checkout before you pay.
Paying. You subscribe through Stripe Checkout; Stripe processes the payment and we never see your full card details. If you subscribe with more than two days of your trial left, the first charge is made when the trial ends; otherwise it is made when you subscribe.
Automatic renewal. The subscription renews every month and is charged to your payment method until you cancel.
Price changes. We will email you at least 30 days before a price increase. It applies from your next renewal after that notice; you can cancel before it does.
Failed payments. If a payment fails, Stripe retries it. While it is unpaid you can't issue new invoices; your data is kept.
Without a subscription — after the trial, or after a subscription ends — you keep your account and can view and download the invoices you saved, but you can't issue new ones.
6. Cancellation and refunds
You can cancel at any time in Settings → Billsato Pro → Manage subscription. Cancelling takes effect at the end of the period you have paid for, and you keep full access until then. Refunds and the right of withdrawal for consumers in the EU and UK are covered by our Refund and Cancellation Policy.
7. Acceptable use
Do not use Billsato to create fake, false, backdated or fraudulent invoices or receipts, or any document meant to mislead a tax authority, lender, client or anyone else; to impersonate another person or business; to evade tax or launder money; to break the law, including sanctions law; or to try to reach other customers' data, probe the service's security or overload it. We may suspend or close an account that breaks this section and report suspected fraud to the authorities.
8. Availability and changes
We aim to keep Billsato available but do not promise it will be uninterrupted or free of errors. We may change or improve it. If we remove a Billsato Pro feature in a way that materially reduces what you pay for, we will tell you in advance, and you may cancel and receive a pro-rata refund of any prepaid period. The free generator is provided as it is and may be changed or withdrawn at any time; because your work there is stored only in your own browser, keep your own copy of any invoice that matters.
9. Deleting your account
The account owner can delete a Billsato Pro account at any time in Settings. Deletion is immediate and permanent and includes issued invoices and their stored PDFs, so download what you need first. We may suspend or close an account for serious or repeated breaches of these terms or where the law requires it; otherwise we will give you at least 30 days' notice so you can download your invoices.
10. Liability
Billsato is provided "as is". To the fullest extent the law allows, we disclaim warranties not stated in these terms, including that documents made with Billsato meet any legal or tax requirement, and we are not liable for indirect or consequential loss, lost profits, unpaid or disputed invoices, tax penalties, or loss of data you did not download. Our total liability in any 12 months is limited to what you paid us in those 12 months. Nothing in these terms limits liability that cannot lawfully be limited, or consumers' statutory rights.
11. Indemnity
You will indemnify Aranzolm Technologies LLC against claims, fines and costs (including reasonable legal fees) arising from your use of Billsato in breach of these terms or the law, or from the content of documents you create — including claims by your clients or by tax authorities.
12. Changes to these terms
We may update these terms. For material changes we will email Billsato Pro customers at least 30 days in advance; if you don't accept them, you may cancel before they take effect. We record which version you accepted and when.
13. Governing law
These terms are governed by the laws of the State of Wyoming, United States. If you are a consumer, you also keep the protection and the right to bring proceedings that the law of your country of residence gives you.
14. Contact
Aranzolm Technologies LLC
30 N Gould St, Ste N
Sheridan, WY 82801
United States