curl --request GET \
  --url https://api.blockworks.com/v1/metrics \
  --header 'x-api-key: <api-key>'

{
  "page": 1073741824,
  "total": 50,
  "data": [
    {
      "name": "<string>",
      "description": "<string>",
      "identifier": "rev",
      "project": "Bitcoin",
      "source": "Blockworks",
      "data_type": "float",
      "parameters": {
        "end_date": {
          "type": "date",
          "required": false,
          "description": "End date (inclusive)"
        },
        "start_date": {
          "type": "date",
          "required": false,
          "description": "Start date (inclusive)"
        }
      },
      "updated_at": 123,
      "interval": "daily",
      "aggregation": "SUM",
      "category": "Financials"
    }
  ]
}