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.
GET /customer/{CustomerId}/bankaccounts HTTP/1.1
Host: bestellforum.api.mauve.de
Accept: text/csv
HTTP/1.1 200 OK
Content-Type: text/csv
Content-Length: length
{Unable to show example output for type 'IList`1' using the custom 'csv' filter}Cannot create an instance of an interface.