Must follow guide lines to create a rest handler in wcs v8
Writing REST handler: If you are writing a custom handle in WCS follow below steps: Make entry of your custom handler in resources-ext.properties at below path.Rest\WebContent\WEB-INF\config\resources-ext.propertiese.g com.mycomp.commerce.rest.handlers.ExMyHandler If you want this to be served only over HTTPS/ support partial authentication, then entry has to be made in wc-rest-security.xml (/Rest/WebContent/WEB-INF/config/com.ibm.commerce.rest-ext/wc-rest-security.xml) with the API PATH. Create a