Self-invoicing modeImport expenses from Fakturownia straight to KSeF in self-invoicing mode
KSeFGPT is integrated with Fakturownia.pl, a popular online invoicing system that supports sales, expenses, payments, contractors, warehouse workflows, KSeF, and an open API. The core of the integration is the direct import to KSeF of invoices from the Expenses section in Fakturownia.pl — cost documents are pulled through the Fakturownia API and sent to KSeF in self-invoicing mode, with no manual re-keying or file exports.
Expenses section
Cost invoices from Fakturownia go straight to KSeF.
Imported in self-invoicing mode → FA(3) XML with KSeF number and UPO
How the expense import works
Connect your Fakturownia.pl account to KSeFGPT via API.
KSeFGPT pulls invoices from the Expenses section in Fakturownia.
Documents are sent to KSeF in self-invoicing mode — you receive the KSeF number and UPO.
We support direct import to KSeF of invoices from the Expenses section in Fakturownia.pl. KSeFGPT pulls cost documents through the Fakturownia API and sends them to KSeF — without manual file exports, retyping line items, or copying contractor data.
Expenses from Fakturownia are imported to KSeF in self-invoicing mode, i.e. as invoices issued on behalf of the seller. KSeFGPT builds valid FA(3) XML, watches the required fields, dates, and self-invoicing markers, and returns the KSeF number with the UPO receipt.
The integration covers importing invoices from Fakturownia Income and Expenses, plus easily bringing all customers into KSeFGPT contractors. Invoices and contractor data can then be centrally controlled for statuses, data completeness, and document readiness for KSeF work.
The integration uses Fakturownia API capabilities together with KSeFGPT webhooks and rules to reduce manual data transfer between tools and to analyse Fakturownia documents in natural language.
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