GET http://localhost:15000/api/metadata/lineage/vertices/all

{
    "results": [
        {
            "timestamp":"2014-04-21T20:55Z",
            "name":"sampleIngestProcess\/2014-03-01T10:00Z",
            "type":"process-instance",
            "version":"2.0.0",
            "_id":4,
            "_type":"vertex"
        },
        {
            "timestamp":"2014-04-21T20:55Z",
            "name":"rawEmailFeed\/2014-03-01T10:00Z",
            "type":"feed-instance",
            "_id":8,
            "_type":"vertex"
        }
    ],
    "totalSize": 2
}