If you cannot install the Web Toolkit you might be interested in using CURL to interact with the ECaccess Web Services V2
Please note the Web Toolkit require at least an ECaccess gateway version 6.3.1.
ecaccess-webtoolkit-6.3.1-RockyLinux8.6-x86_64.tar.gz
ecaccess-webtoolkit-6.3.1-Ubuntu22.04-x86_64.tar.gz
ecaccess-webtoolkit-perl-src-6.3.1.tar.gz