The following are sample HTTP requests and responses.
The placeholders shown need to be replaced with actual values.
POST /csv/oneway/FetchMessageRequest HTTP/1.1
Host: 7el.co
Content-Type: text/csv
Content-Length: length
username,password,last_id,last_sent_id,device,limit,stream_id,older,first_id,first_sent_id,License,ContentId,FeatureName
String,String,0,0,String,0,0,0,0,0,String,0,String