Terms of Service

Last updated: October 20, 2026

1. About these terms

These terms are an agreement between you and Hugo Molaudzi, a sole proprietor in South Africa trading as Koutei Systems ("we", "us"), for your use of Koutei PDF at kouteisystems.com ("the Service"). By creating an account or using the Service, you agree to them. If you don't agree, please don't use the Service.

They include our Acceptable Use Policy and Refund Policy. Our Privacy Policy explains how we handle personal information. If you use the Service for a business, you accept these terms on its behalf and confirm you may do so.

2. The Service

Koutei PDF turns the details you enter into ready-made templates into PDF documents and images, through our website. Your own software can also create invoices, quotes and receipts as PDF documents through our API (section 8). The Service runs on credits.

If you use our free invoice generator without an account, it uses no credits. It allows up to 5 invoices an hour and 20 a day from each network, and we may change or withdraw it at any time. These terms and the Acceptable Use Policy apply to it too.

We keep improving the Service, so features, templates and plans may change. We don't promise that the Service will always be available or free of errors, but we work to keep it running and to fix problems quickly.

3. Your account

  • You must be at least 18 years old.
  • Give us an email address you can receive mail at, confirm it if we email you a link, and keep your sign-in details secure.
  • Don't share your account or API keys with anyone you haven't authorised.
  • You are responsible for what happens under your account.
  • Tell us straight away at support@kouteisystems.com if you think someone else has access.

4. Credits and plans

  • Each final PDF or image you generate in your account uses one credit. So does each final document you make through the API (section 8). A watermarked preview uses none. We only take a credit when a document is generated successfully.
  • Each plan comes with a credit allowance, shown on our pricing page.
  • Credits are an allowance, not money. They have no cash value, can't be transferred or sold, and unused credits don't roll over.
  • When a paid plan ends, it stops renewing your credits and your account continues on the Free plan.
  • We may change plans, allowances or prices. We will give you notice before a change affects a subscription you have already paid for. For a price change, we will tell you at least 30 days before it applies to your subscription, and the new price applies from your first renewal after that notice.

5. Payments

Our order process is conducted by our online reseller Paddle.com. Paddle.com is the Merchant of Record for all our orders. Paddle provides all customer service inquiries and handles returns. Paddle answers questions about your order, payment, invoices and refunds. For help using Koutei PDF itself, email us at support@kouteisystems.com.

When you buy a plan, you buy it from Paddle.com Market Limited, and Paddle's buyer terms apply to the purchase. Paddle calculates and collects any sales tax or VAT that applies. Depending on where you are, tax may be added to the price shown on our pricing page; checkout shows the final amount before you pay.

Paid plans renew automatically at the end of each billing period until you cancel. You can cancel at any time in Settings: your plan stays active until the end of the period you have paid for and then does not renew.

If you start a paid plan and change your mind, you can ask for a full refund within 14 days of your first payment. Paddle issues refunds. Our Refund Policy explains this and the other cases we refund.

6. Your content and documents

You own what you put into the Service and the documents you create with it. You give us permission to process that content only to generate your documents and run the Service. We don't store your documents or what you type into them, so keep your own copies; we can't recover a document later.

You are responsible for:

  • having the right to use everything you include, such as logos, other people's names and contact details, and any other personal information; and
  • checking that your documents are accurate and meet the rules that apply to you before you use them.

We don't give tax, legal or accounting advice. Our templates are general and may not meet every country's requirements (for example, the rules for VAT invoices).

7. Acceptable use

You must follow our Acceptable Use Policy. In particular, you must not use the Service to create fake or misleading documents, such as invoices or receipts for sales that didn't happen, or to break the law.

8. API and automated access

The API lets your own software create invoices, quotes and receipts as PDF documents: it sends the details with an API key and gets the PDF back. Our API reference describes how it works.

  • Keys. You create API keys in Settings. Keep each key secret and use it only from a server you control: don't put it in a web page, in an app you hand out or in a public code repository. You are responsible for all usage associated with your API keys. That includes every document made and every credit used with one of your keys, whoever sent the request.
  • Exposed keys. If you think a key has been exposed, regenerate it in Settings straight away. You can also revoke it there. A regenerated or revoked key stops working from the next request at the latest. We may revoke a key ourselves if it has been exposed or misused.
  • Credits. A final document made through the API uses one credit from the same monthly allowance as the app, taken only after the PDF has been made. A preview and a validation check use no credit, and neither does a request that is refused or fails before the PDF is made. Send an Idempotency-Key with each request: a request repeated with the same key within 24 hours is not charged again. Without an Idempotency-Key, every successful request for a final document is charged, including one you send twice by mistake.
  • Previews. A preview is free and carries the words "PREVIEW · NOT A VALID DOCUMENT" on every page. It is for checking a document before you make it. It is not a valid document: don't send it to anyone as an invoice, quote or receipt, and don't remove or hide the watermark.
  • Limits and fair use. The API limits how many requests a key and an account can make, and how large a request or a document can be. The API reference lists the limits. We may change them, and requests over a limit are refused.
  • Your documents. You supply every detail of a document, including its number. We don't allocate document numbers or check them for uniqueness, and we don't check that a document is tax-compliant, an e-invoice or legally valid. We don't store the documents or the details you send. We keep a record of each document for 90 days, described in our Privacy Policy. Keep your own copies and the records the law requires of you.
  • Other people's information. You are responsible for the people named in your documents. You decide which details to send. We use them only to make the document you asked for, and we don't save them.
  • Beta, and no service-level agreement. The API is in beta. We don't promise that it will be available at any given time, or how quickly it will answer. During the beta we don't offer a separate data processing agreement.
  • Versions. The API and each of its templates have a version. The API reference explains what can change within a version and how to pin a template's version.
  • Suspension. We may suspend your use of the API or revoke a key if these terms or the Acceptable Use Policy are broken, or to protect the Service or other people (section 10).

9. Our intellectual property

The Service, including its software, design and templates, belongs to Koutei Systems. You may use our templates to create documents for yourself or your business. You may not copy, resell or rebuild the Service or its templates as a competing product. Fonts embedded in your documents are used under their own open licences, which allow this.

If you send us feedback or ideas, we may use them without owing you anything.

10. Suspension and closing accounts

You can stop using the Service at any time and delete your account in Settings. Deleting your account does not cancel a paid subscription, so cancel it in Settings first.

We may suspend or close your account if you break these terms or the Acceptable Use Policy, if the law requires it, or to protect the Service or other people. Where it is reasonable, we will tell you first and give you a chance to fix the problem.

If we ever close the Service, we will give you at least 30 days' notice where we can, and arrange a refund for any prepaid period you can no longer use.

11. Disclaimers

To the extent the law allows, the Service is provided "as is" and "as available", without warranties of any kind, including that it will meet your particular needs or that documents will meet the legal requirements that apply to you.

12. Limitation of liability

To the extent the law allows, Koutei Systems is not liable for indirect, incidental or consequential loss, or for lost profits, revenue or data, arising from your use of or inability to use the Service. Our total liability for any claim is limited to the greater of the amount you paid for the Service in the 12 months before the claim or USD 100.

Nothing in these terms limits liability that cannot be limited by law, or takes away rights you have as a consumer that cannot be waived.

13. Your responsibility for claims

To the extent the law allows, you agree to cover Koutei Systems's reasonable losses and legal costs from claims by others that arise from content you put into the Service, documents you create with it, or your breach of these terms.

14. Changes to these terms

We may update these terms. We will tell you about a material change at least 14 days before it takes effect, by email or with a notice on the site, and change the date at the top. A price change for a subscription you already have gets 30 days' notice (section 4). If you keep using the Service after a change takes effect, the new terms apply. If you don't agree, stop using the Service and cancel any subscription.

15. Governing law

These terms are governed by the laws of the Republic of South Africa, and the courts of South Africa have jurisdiction over disputes. If you are a consumer living in another country, you also keep the protection of the mandatory laws of that country and may bring proceedings in your local courts.

16. General

If part of these terms can't be enforced, the rest still applies. If we don't enforce a right straight away, we haven't given it up. We may transfer this agreement to a business that takes over the Service; you may not transfer it without our agreement.

17. Contact

Questions about these terms: legal@kouteisystems.com. Help with your account or billing: support@kouteisystems.com.

Business address: 1012 Sagewood Street, Protea Glen Ext 1, Soweto, Johannesburg, 1819, South Africa