HTTP + CSV
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /csv/reply/VehicleHierarchyModels HTTP/1.1 
Host: api.firstlook.biz 
Content-Type: text/csv
Content-Length: length
Ver,MakeId,Year
String,0,0
 
HTTP/1.1 200 OK
Content-Type: text/csv
Content-Length: length
model,desc