curl --request GET \
  --url https://api.kamino.finance/kvaults/users/{userPubkey}/vaults/{vaultPubkey}/pnl

{
  "totalPnl": {
    "usd": "1234.56789",
    "sol": "1234.56789",
    "token": "1234.56789"
  },
  "totalCostBasis": {
    "usd": "1234.56789",
    "sol": "1234.56789",
    "token": "1234.56789"
  }
}