Distance Matrix API

POST /matrix/?token=YOUR_TOKEN
{  "sources": [
    { "lat": 40.744014, "lon": -73.990508 }
  ],
  "targets": [
    { "lat": 40.739735, "lon": -73.979713 },
    { "lat": 40.752522, "lon": -73.985015 },
    { "lat": 40.750117, "lon": -73.983704 }
  ],
    "costing": "auto", "verbose": true
}
Response:
{  "sources_to_targets": [
    {
      "from_index": 0,
      "to_index": 0,
      "distance": 1.23,
      "time": 156
      },...]}