> curl -X GET --dump - http://localhost:8529/_api/blueprints/edge/edge1?graph=graph1

HTTP/1.1 200 OK
content-type: application/json; charset=utf-8

{
  "edge": {
    "_id": "74569190/77321702",
    "_rev": 77321702,
    "_key": "77321702",
    "_bidirectional": false,
    "_from": "73782758/76994022",
    "_to": "73782758/76797414",
    "$label": null,
    "$id": "edge1",
    "optional1": "val1"
  },
  "error": false,
  "code": 200
}