shell> curl -X POST --data-binary @- --dump - http://localhost:8529/_api/import?collection=links&type=list&details=true <<EOF
[{"name":"some name"}]
EOF

HTTP/1.1 201 Created
content-type: application/json; charset=utf-8

{ 
  "error" : false, 
  "created" : 0, 
  "errors" : 1, 
  "empty" : 0, 
  "updated" : 0, 
  "ignored" : 0, 
  "details" : [ 
    "at position 1: missing '_from' or '_to' attribute, offending document: {\"name\":\"some name\"}" 
  ] 
}