How to prepare and download a KPiR report
Order the current-month report, review document classifications, and download the finished XLSX file.
InstructionsAugust 24, 2026
News
Practical knowledge on KSeF - from integration basics to AI-driven invoice automation. Written from real deployments, not theory.
Articles and instructions
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How to check income and expenses for a selected month
Select a company, authentication method and month, then compare gross totals and inspect the invoices behind the summary.
InstructionsAugust 23, 2026
How to create an automation from a ready-made template
Choose the ready-made invoice fetch workflow, set its schedule and document scope, then save your first automation.
InstructionsAugust 23, 2026
How to add a Slack integration in KSeFGPT
Enter an incoming webhook URL and an optional channel, send a test message and save the active connection for the selected company.
InstructionsAugust 22, 2026
How to run an automation and check execution history
Activate a saved workflow, perform a safe manual run and inspect the status, duration and logs of every block.
InstructionsAugust 22, 2026
How to export KSeF invoices to a file in KSeFGPT
Choose the period and invoice direction, start a background job, check its status and download the finished spreadsheet.
InstructionsAugust 22, 2026
How to import contractors from a CSV or Excel file into KSeFGPT
In CRM > Counterparties, upload CSV or Excel, review the preview and confirm the import. Then find the new records in the CRM list.
InstructionsAugust 21, 2026
How to cancel an invoice with a zero-out correction in KSeFGPT
Select the source invoice, prepare a separate document that reduces all its values to zero, review the preview and submit the correction to KSeF.
InstructionsAugust 21, 2026
How to issue an invoice line-items correction in KSeFGPT
Select the source invoice, change the required line, enter the reason, review the values before and after the correction, then submit the new document to KSeF.
InstructionsAugust 21, 2026
How to download an invoice as PDF, XML and UPO in KSeFGPT
Open an accepted outgoing invoice and download its source XML, a PDF visualisation in the selected language and the official UPO. UPO is available for a document submitted from KSeFGPT.
InstructionsAugust 20, 2026
How to issue and submit a standard VAT invoice in KSeFGPT
Complete a standard VAT invoice, check the parties, line items and amounts, then submit the document to KSeF. The company needs an active KSeF connection and permission to submit invoices.
InstructionsAugust 20, 2026
How to add custom fields in the older contractor form
The new CRM form has no custom fields. Save BDO and a customer number in the older Contractors view, available through a direct address.
InstructionsAugust 20, 2026
Frequently asked questions (FAQ)
Short answers about the KSeFGPT app and about the National e-Invoice System itself, with links to the full articles.
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