To override the Content-type in your clients, use the HTTP Accept Header, append  the .csv suffix or  ?format=csv
        
        HTTP + CSV
         The following are sample HTTP requests and responses. 
            The placeholders shown need to be replaced with actual values.
POST /Dynamics/CreateSale/{regent_id} HTTP/1.1 
Host: data.regent-college.edu 
Accept: text/csv
Content-Type: text/csv
Content-Length: length
{"regent_id":0,"amount":0,"code":"String","rebate_code":"String","rebate_amount":0,"payment_id":"String","reporting_term":"String","sale_items":[{"amount":0,"code":"String"}]}
 
HTTP/1.1 200 OK
Content-Type: text/csv
Content-Length: length
{"errorCode":"String","message":"String","stackTrace":"String","errors":[{"errorCode":"String","fieldName":"String","message":"String","meta":{"String":"String"}}],"meta":{"String":"String"}}