lv.ctco.cukes:cukes-http-mock (maven):  Cukes takes simplicity of Cucumber and provides bindings for HTTP specification. As a sugar on top, cukes adds steps for storing and using request/response content from a file system, variable support in .features, context inflation in all steps and resources and a custom plug-in system to allow users to add additional project specific content. 
Keywords: api-testing|cucumber|cucumber-jvm|cukes-rest|java|restapi