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 /DynamicsCRM/Posts HTTP/1.1
Host: data.regent-college.edu
Accept: text/csv
Content-Type: text/csv
Content-Length: length
{"import_only":false}
HTTP/1.1 200 OK
Content-Type: text/csv
Content-Length: length
[{"regent_id":0,"text":"String","added_by":"String","added_date":"0001-01-01T00:00:00.0000000","changed_by":"String","changed_date":"0001-01-01T00:00:00.0000000"}]