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Poland Launches KSeF Latarnia API for Real-Time E-Invoicing System Status Monitoring

  • The Polish Ministry of Finance has released a new public API called KSeF Latarnia for real-time monitoring of KSeF system status.
  • The API provides information on planned maintenance, standard failures, and total failures of the KSeF system.
  • It is publicly accessible, requires no authentication, and allows automated monitoring by taxpayers and software providers.
  • The API complements existing official communication channels and is relevant for compliance with Polish VAT law changes effective February 1, 2026.

Source: sovos.com

Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.



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