curl --request GET \
  --url https://api.vaults.fyi/v2/portfolio/best-vault/{userAddress} \
  --header 'x-api-key: <api-key>'

{
  "requestedAddress": "<string>",
  "asset": {
    "address": "<string>",
    "assetCaip": "<string>",
    "name": "<string>",
    "symbol": "<string>",
    "decimals": 123,
    "assetGroup": "<string>",
    "balanceNative": "<string>",
    "assetLogo": "<string>",
    "assetPriceInUsd": "<string>",
    "balanceUsd": "<string>"
  },
  "vault": {
    "name": "<string>",
    "address": "<string>",
    "network": {
      "name": "mainnet",
      "chainId": 123,
      "networkCaip": "<string>"
    },
    "isTransactional": true,
    "isAppFeatured": true,
    "protocol": {
      "name": "<string>",
      "product": "<string>",
      "version": "<string>",
      "protocolUrl": "<string>",
      "description": "<string>",
      "protocolLogo": "<string>"
    },
    "tvl": {
      "usd": "<string>",
      "native": "<string>"
    },
    "apy": {
      "base": 123,
      "reward": 123,
      "total": 123
    },
    "projectedUsdAnnualEarnings": "<string>",
    "tags": [
      "<string>"
    ],
    "lendUrl": "<string>",
    "protocolVaultUrl": "<string>"
  },
  "errors": {
    "unsupportedNetworks": [
      "<string>"
    ],
    "unsupportedAssets": [
      "<string>"
    ],
    "unsupportedProtocols": [
      "<string>"
    ]
  }
}