> curl --data @- -X POST --dump - http://localhost:8529/_api/blueprints/vertices?graph=graph1
{"batchSize" : 100, "key" : "optional2", "value" : 3 }

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

{
  "result": [
    {
      "_id": "44402657/47876065",
      "_rev": 47876065,
      "_key": "47876065",
      "optional2": 3,
      "$id": "id4",
      "optional1": "val1"
    }
  ],
  "hasMore": false,
  "error": false,
  "code": 201
}