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 /Helper/OrdersSeries/GetOrderHelperId HTTP/1.1
Host: api.helferportal.de
Accept: text/csv
Content-Type: text/csv
Content-Length: length
{"OrderSeriesId":0,"PersonGivenHelp":0}
HTTP/1.1 200 OK
Content-Type: text/csv
Content-Length: length
{"OrderHelperId":0}