Validate a KSeF FA(3) Invoice Before Submission
A structured FA(3) e-invoice returns ACCEPTED against schema v1-0E with the KSeF technical-checks document date and ERP consistency checks on the record.
Input
Output fields
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The Poland KSeF FA(3) Preflight Validator - e-Faktura XML Actor is ready to run with the inputs already set for "Validate a KSeF FA(3) Invoice Before Submission". Sign up or log in and you'll land in Apify Console with a copy of this exact task.
Start the "Validate a KSeF FA(3) Invoice Before Submission" task
The Poland KSeF FA(3) Preflight Validator - e-Faktura XML Actor will start running based on the input automatically. You can also change the input to match your specific use case.
Receive the "Validate a KSeF FA(3) Invoice Before Submission" output
Monitor the progress in real time. You will be notified as soon as your dataset is complete and ready for review. Each result includes data such as technical assessment, future rules preview, validation scope, and more.
Integrate into your workflow
The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow. You can also run the "Validate a KSeF FA(3) Invoice Before Submission" task via API.

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