getSupply

curl --request POST \
  --url 'https://mainnet.helius-rpc.com/?api-key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getSupply",
  "params": [
    {
      "commitment": "finalized",
      "excludeNonCirculatingAccountsList": true
    }
  ]
}
'

{
  "jsonrpc": "2.0",
  "id": "1",
  "result": {
    "context": {
      "slot": 1114
    },
    "value": {
      "total": 1016000,
      "circulating": 16000,
      "nonCirculating": 1000000,
      "nonCirculatingAccounts": [
        "FEy8pTbP5fEoqMV1GdTz83byuA8EKByqYat1PKDgVAq5",
        "9huDUZfxoJ7wGMTffUE7vh1xePqef7gyrLJu9NApncqA",
        "3mi1GmwEE3zo2jmfDuzvjSX9ovRXsDUKHvsntpkhuLJ9",
        "BYxEJTDerkaRWBem3XgnVcdhppktBXa2HbkHPKj2Ui4Z"
      ]
    }
  }
}