curl --request GET \
  --url https://api.amberdata.com/market/metrics/exchanges/{exchange}/assets/volumes/historical \
  --header 'x-api-key: <api-key>'

{
  "status": 200,
  "title": "OK",
  "description": "Successful request",
  "payload": {
    "metadata": {
      "startDate": "2022-03-10 00:00:00 000",
      "endDate": "2022-03-11 10:00:00 000"
    },
    "data": [
      {
        "exchange": "gdax",
        "asset": "btc",
        "timestamp": "2022-03-10 00:00:00 000",
        "volumeUSD": "1029206608.30715038"
      },
      {
        "exchange": "gdax",
        "asset": "btc",
        "timestamp": "2022-03-11 00:00:00 000",
        "volumeUSD": "767275182.09255630"
      }
    ]
  }
}