Exposed service is implemented with the most common binding style "document/literal", which is widely supported by libraries in various programming languages.
To create client for this API, only WSDL document (see the URL above) is needed together with some development tools according to your programming language and development environments.
JavaDoc of WebService interface with all related classes is accessible in the running CloverETL Server instance on URL http://[host]:[port]/[contextPath]/javadoc-ws/index.html
If the web server has HTTPS connector configured, also the client must meet the security requirements according to web server configuration. i.e. client trust + key stores configured properly