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Automatic Authentication

This tutorial shows how to authenticate to KSeF using the guided automatic flow in the A-Cube dashboard.

You will:

  • generate an XML file in A-Cube
  • sign it using the Polish gov.pl signature service
  • upload the signed file back to A-Cube
Time limit

After you start, you have about 10 minutes to finish the process (see the countdown in the top-right corner).

Tutorial​

1. Open the A-Cube onboarding page and choose the automatic authentication method​

2. Select Certificate as the KSeF authentication type, then click Continue​

3. Click on Download XML FILE​

4. Save the generated file to a known local folder​

5. Open the podpis.gov.pl page to digitally sign documents​

6. Click on Dodaj Plik (Add file) and upload the XML file you just downloaded​

7. Verify the XML file appears in the uploaded files list, then click Dalej (Next).​

8. Review the file and click Podpisz (Sign) to start the signature process.​

9. Choose your signing method (most commonly Trusted Profile / Profil zaufany) and complete authorization​

10. After successful signing, click Pobierz podpisane dokumenty (Download signed documents).​

11. Save the signed XML file on your device​

12. In the A-Cube dashboard, click Choose file and select the signed XML file​

13. Confirm the selected file name appears in the upload field, then click Upload​

14. Wait for the confirmation screen​

Success means A-Cube has received your signed XML and forwarded it for KSeF processing.

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