See:

https://wikis.ec.europa.eu/download/attachments/44165485/Migrating_to_API_TSV.pdf?version=1&modificationDate=1651047758286&api=v2

or use SDMX to query a TSV file (or even an SDMX-CSV file):
https://wikis.ec.europa.eu/display/EUROSTATHELP/API+SDMX+2.1+-+data+query

MUST be done by January 2023