curl --request GET \
  --url https://api.messari.io/metrics/v2/networks \
  --header 'X-Messari-API-Key: <api-key>'

{
  "data": {
    "data": [
      {
        "id": "<string>",
        "metrics": {
          "core": {
            "activeAddresses": 123,
            "blockTimeMs": 123,
            "contractDeployers": 123,
            "newContractsDeployed": 123,
            "totalTransactions": 123
          },
          "ecosystem": {
            "activeDevelopers": 123,
            "codeCommits": 123,
            "decentralizedExchangeVolumeUSD": 123,
            "ecosystemCodeCommits": 123,
            "totalValueLockedUSD": 123
          },
          "financial": {
            "avgFeePerTransactionUSD": 123,
            "expensesUSD": 123,
            "feeMedianUSD": 123,
            "feesSupplySideUSD": 123,
            "feesTotalUSD": 123,
            "revenueUSD": 123,
            "rolling7dAvgTransactionFeeUSD": 123,
            "tokenIncentivesUSD": 123
          },
          "stablecoin": {
            "stablecoinBurnsUSD": 123,
            "stablecoinMintsUSD": 123,
            "stablecoinOutstandingSupplyUSD": 123,
            "stablecoinTransferVolumeUSD": 123
          }
        },
        "name": "<string>",
        "slug": "<string>"
      }
    ],
    "metadata": {
      "page": 123,
      "pageSize": 123,
      "totalPages": 123,
      "totalRows": 123
    }
  },
  "error": "<string>"
}