Service provider
Ksefly is provided by:
developNET Maciej Matysiewski brand: develop.NETul. Nowowiejska 6/6, 00-649 Warszawa, Poland
NIP (Polish tax identification number) 1182238190 · REGON (statistical number) 521446646
Contact: contact@ksefly.app · data protection: privacy@ksefly.app
The same details appear in § 1 of the terms of service and on Settings → About in the app. Required by art. 5 of the Polish Act on providing services by electronic means and art. 20(3) of the Entrepreneurs' Law.
Documents
- Privacy policy
- Exactly what we process, where it sits, who receives it and how long we keep it — including the parts that are uncomfortable.
- Terms of service
- The contract between you and us: what you get, what it costs, who is responsible for what, and how to leave.
- Data processing agreement
- When you issue an invoice you entrust us with your counterparty's data. This is the agreement that says what we may do with it.
- Notice for counterparties
- You are reading this because a business you traded with uses Ksefly. You never signed up, and you do not have to — but this data concerns you.
- Open-source licences
- Whose work we use, and on what terms.
Trademarks and disclaimers
Ksefly is an independent third-party application and is not affiliated with, sponsored by or endorsed by the Polish Ministry of Finance, the National Revenue Administration or any other government body. The name KSeF is used descriptively only.
“KSeF” and “Krajowy System e-Faktur” are names of a system operated by the Polish Ministry of Finance; we use them descriptively, to say what this app talks to.
Apple, Apple Pay, Face ID and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries and regions. App Store is a service mark of Apple Inc., registered in the U.S. and other countries and regions. Sign in with Apple is a trademark of Apple Inc. IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license.
Ksefly is an independent application and has not been authorized, sponsored, or otherwise approved by Apple Inc.
Stripe is a trademark of Stripe, Inc. In-app payments are handled by Stripe — see § 9 of the terms of service.
Third-party software and assets, with their licences, are listed on the open-source licences page.
Reporting a vulnerability
If you have found a vulnerability, how to report it is set out in security.txt (RFC 9116). Please do not test against other people's data, and please give us time to answer before publishing.