token accounts for a specific mint

curl.bash

curl http://api.mainnet-beta.solana.com -X POST -H "Content-Type: application/json" -d '
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "getProgramAccounts",
  "params": [
    "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",
    {
      "encoding": "jsonParsed",
      "filters": [
        {
          "dataSize": 165
        },
        {
          "memcmp": {
            "offset": 0,
            "bytes": "6QtTzANFq51mu57vyVQZmz6TL1qcQdZGdQcvHrX94b1c"
          }
        }
      ]
    }
  ]
}
' --silent | jq .

response.json

{
  "jsonrpc": "2.0",
  "result": [
    {
      "account": {
        "data": {
          "parsed": {
            "info": {
              "isNative": false,
              "mint": "6QtTzANFq51mu57vyVQZmz6TL1qcQdZGdQcvHrX94b1c",
              "owner": "JUskoxS2PTiaBpxfGaAPgf3cUNhdeYFGMKdL6mZKKfR",
              "state": "initialized",
              "tokenAmount": {
                "amount": "1",
                "decimals": 0,
                "uiAmount": 1,
                "uiAmountString": "1"
              }
            },
            "type": "account"
          },
          "program": "spl-token",
          "space": 165
        },
        "executable": false,
        "lamports": 2039280,
        "owner": "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",
        "rentEpoch": 220
      },
      "pubkey": "FuZ1SaXdEX4WGDA2qpva1rtfkgQ6hmxir9e3PR8XGdZE"
    }
  ],
  "id": 1
}