> curl -X GET --dump - http://localhost:8529/_api/blueprints/edges?graph=graph1&vertex=id2&type=in

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

{
  "edges": [
    {
      "_id": "103339494/106223078",
      "_rev": 106223078,
      "_key": "106223078",
      "_bidirectional": false,
      "_from": "102553062/105698790",
      "_to": "102553062/105895398",
      "$label": null,
      "$id": "edge1",
      "optional1": "val1a"
    }
  ],
  "error": false,
  "code": 200
}