curl --request GET \
  --url https://api.cryptorank.io/v3/blockchains/list \
  --header 'X-Api-Key: <api-key>'

{
  "data": [
    {
      "id": 3,
      "slug": "ethereum",
      "name": "Ethereum",
      "symbol": "ETH",
      "nativeCurrencyId": 3,
      "explorerUrl": "https://etherscan.io/token/",
      "marketCap": "512345678901",
      "marketCapDominance": 2.48
    }
  ],
  "meta": {
    "page": 1,
    "pageSize": 100,
    "hasNextPage": true
  },
  "status": {
    "usedCredits": 1,
    "timestamp": 1780000000000
  }
}