Compliance Alert - KSeF system API updated to version 2.0.4

Update: Compliance Alert - KSeF system API updated to version 2.0.4
Date: 2023-11-09

According to the Announcement No. 76, the Polish government have updated the API of the National e-Invoice System (KSeF) and the Taxpayer Application KSeF in test environments.

API update of the KSeF to version 2.0.4 includes:

  • Marking the tradeName field in SubjectNameType as optional;
  • Optimization of invoice inquiries.

The update of the KSeF Taxpayer Application to version 1.4.3 includes:

  • Adding an endpoint returning the current version of the mobile application.
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