News

How does artificial intelligence detect errors, fraud, and anomalies in KSeF invoices? A practical automation guide for entrepreneurs and accountants in Poland.

How KSeFGPT connects directly to the KSeF API, what the AI Chat module, Counterparts module and Invoices module offer - and why the application is available in Polish, English, German and Ukrainian.

Self-billing reverses the roles — the buyer issues the invoice on behalf of the seller. In the era of mandatory KSeF, this requires proper permissions and a tool for mass document submission. Find out how it works and how ksefgpt solves it.

Retyping one invoice seems trivial — the problem starts when there are a hundred per month. From February 2026 KSeF becomes mandatory. A guide to PDF-to-XML conversion, validation pitfalls, and choosing the right tools.

Since February 1, 2026, large companies must use KSeF, and from April 1, the obligation covers all VAT taxpayers. Learn how AI transforms invoice workflows and eliminates manual work with XML files.

B2C invoices in KSeF are voluntary – but how does it work in practice? We answer the most common questions: should you send a PDF, how does the QR code work, and what about the PLN 10,000 limit.

In the KSeF system, an invoice is not a visual document but a structured XML file. Learn about the multi-step validation and parsing process that determines whether an invoice is accepted.

February 1, 2026 – this date has been stirring emotions for months. But is KSeF really the problem? Or is it an opportunity that most companies don't see?

We explain the differences between tokens and certificates, show you how to generate them, and when to use each.