Thanks PaoloT I tried the solution but it did not helped. I am getting freemarker error. Below is the error. { "error":" FreeMarker template error: Method public final lithium.coreapi.webui.template.models.HttpClientRequestTemplateModel lithium.coreapi.webui.template.models.HttpClientRequestTemplateModel.body(java.lang.String,java.lang.String) throws freemarker.template.TemplateModelException takes exactly 2 arguments, 1 was given. The failing instruction (FTL stack trace): ---------- ==> #assign resp = http.client.request("h... [in template "parsing_poc_remove_later.ftl" at line 1, column 1] ---------- Java stack trace (for programmers): ---------- freemarker.template.TemplateModelException: [... Exception message was already printed; see it above ...] at freemarker.ext.beans.SimpleMemberModel.unwrapArguments(SimpleMemberModel.java:96) at freemarker.ext.beans.SimpleMethodModel.exec(SimpleMethodModel.java:107) at freemarker.core.MethodCall._eval(MethodCall.java:98) at freemarker.core.Expression.eval(Expression.java:111) at freemarker.core.Dot._eval(Dot.java:74) at freemarker.core.Expression.eval(Expression.java:111) Thanks, Sachin