The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /csv/oneway/CustomerNextBillDate HTTP/1.1 
Host: 7el.co 
Content-Type: text/csv
Content-Length: length
ICustomer,IAccount,BillingPeriod,License,ContentId,FeatureName
0,0,Daily,String,0,String