curl --request GET \
  --url https://api.messari.io/metrics/v1/markets/{entityIdentifier}/metrics/{datasetSlug}/time-series/{granularity} \
  --header 'X-Messari-API-Key: <api-key>'

{
  "error": null,
  "data": {
    "points": [
      [
        1748736000,
        104717.98,
        106033.13,
        103675.87,
        105647.89
      ],
      [
        1748822400,
        105664.8,
        106028.39,
        103686.65,
        105901.79
      ],
      [
        1748908800,
        105892.19,
        106834.1,
        104907.73,
        105389.98
      ],
      [
        1748995200,
        105414.51,
        105969.86,
        104256.41,
        104740.62
      ],
      [
        1749081600,
        104738.95,
        106004.5,
        100450.57,
        101615.92
      ]
    ]
  },
  "metadata": {
    "pointSchemas": [
      {
        "name": "Timestamp",
        "slug": "time",
        "description": "Timestamp of the data point.",
        "is_timestamp": true
      },
      {
        "name": "Open Price (USD)",
        "slug": "open-price",
        "description": "USD price at the candle open.",
        "is_timestamp": false
      },
      {
        "name": "High Price (USD)",
        "slug": "high-price",
        "description": "High USD price during the candle.",
        "is_timestamp": false
      },
      {
        "name": "Low Price (USD)",
        "slug": "low-price",
        "description": "Low USD price during the candle.",
        "is_timestamp": false
      },
      {
        "name": "Close Price (USD)",
        "slug": "close-price",
        "description": "USD price at the candle close.",
        "is_timestamp": false
      }
    ],
    "granularity": "1d"
  }
}