shell> curl -X POST --data-binary @- --dump - http://localhost:8529/_api/cursor
{"query":"FOR u IN unknowncoll LIMIT 2 RETURN u","count":true,"batchSize":2}

HTTP/1.1 404 Not Found
content-type: application/json; charset=utf-8

{ 
  "error" : true, 
  "code" : 404, 
  "errorNum" : 1203, 
  "errorMessage" : "collection not found (unknowncoll)" 
}