curl --request GET \
  --url https://api.amberdata.com/markets/derivatives/analytics/volatility/index \
  --header 'x-api-key: <api-key>'

{
  "status": 200,
  "title": "OK",
  "description": "Successful request",
  "payload": {
    "data": [
      {
        "exchangeTimestamp": "2024-05-01T00:00:00.000Z",
        "exchange": "deribit",
        "instrument": "DERIBIT_BTC_DVOL_INDEX",
        "currency": "BTC",
        "open": 59.81,
        "high": 59.81,
        "low": 59.81,
        "close": 59.81
      }
    ]
  }
}