> curl --data @- -X POST --dump - http://localhost:8529/_api/blueprints/edge?graph=graph1
{"$id" : "edge1", "_from" : "vert2", "_to" : "vert1", "optional1" : "val1"}

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

{
  "edge": {
    "_id": "54842854/57595366",
    "_rev": 57595366,
    "_key": "57595366",
    "_bidirectional": false,
    "_from": "54056422/57267686",
    "_to": "54056422/57071078",
    "$label": null,
    "$id": "edge1",
    "optional1": "val1"
  },
  "error": false,
  "code": 200
}