curl --request GET \
  --url https://api.kamino.finance/kvaults/summary

{
  "earnings": {
    "interest": {
      "usd": "1234.56789",
      "sol": "1234.56789"
    },
    "rewards": {
      "usd": "1234.56789",
      "sol": "1234.56789"
    },
    "total": {
      "usd": "1234.56789",
      "sol": "1234.56789"
    }
  }
}