We inform you about updates in the test environments of the National e-Invoice System
On September 21, 2023, from 2:00 p.m. to 4:00 p.m., an API update of the National e-Invoice System is planned in the test environment. The API update of the National e-Invoice System includes:
restoring the final status of 200 for the session process,improved coding for the telephone field in the invoice archiving step.During this time, there may be temporary difficulties in accessing the testing environment.
Sorry for the inconvenience.
Source: podatki.gov.pl