shell> curl --data-binary @- --dump - http://localhost:8529/_api/gharial/social/edge/relation/aliceAndBob

HTTP/1.1 200 OK
content-type: application/json
etag: 1492117851

{ 
  "error" : false, 
  "code" : 200, 
  "edge" : { 
    "_id" : "relation/aliceAndBob", 
    "_key" : "aliceAndBob", 
    "_rev" : "1492117851", 
    "_from" : "female/alice", 
    "_to" : "male/bob", 
    "type" : "married" 
  } 
}