Available parameters and response documentation is available here

GET /lookup/7-151945072--T
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json ;utf-8
ETag: "302fc821b6b9f86a0c10811b7a3a33eb7e86d223477421f8a396bbd1c41cd090"
Vary: Accept

{
  "chromosome": "chr7",
  "alt": "T",
  "ref": "",
  "pos": 151945072,
  "variant_id": "10190071519450720005",
  "variant_type": "Insertion",
  "cytobands": "7q36.1",
  "publications": {
    "publications": [],
    "genes": []
  },
  "publication_counts": [
    {
      "type": "variant",
      "id": "10190071519450720005",
      "count": 2
    }
  ]
}