getTransaction

curl --request POST \
  --url 'https://mainnet.helius-rpc.com/?api-key=' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": "1",
  "method": "getTransaction",
  "params": [
    "2nBhEBYYvfaAe16UMNqRHre4YNSskvuYgx3M6E4JP1oDYvZEJHvoPzyUidNgNX5r9sTyN1J9UxtbCXy2rqYcuyuv",
    {
      "commitment": "finalized"
    }
  ]
}
'

{
  "jsonrpc": "2.0",
  "id": "1",
  "result": {
    "slot": 430,
    "transaction": {
      "message": {
        "accountKeys": [
          "3UVYmECPPMZSCqWKfENfuoTv51fTDTWicX9xmBD2euKe"
        ],
        "header": {
          "numReadonlySignedAccounts": 0,
          "numReadonlyUnsignedAccounts": 3,
          "numRequiredSignatures": 1
        },
        "instructions": [
          {
            "accounts": [
              1
            ],
            "data": "37u9WtQpcm6ULa3WRQHmj49EPs4if7o9f1jSRVZpm2dvihR9C8jY4NqEwXUbLwx15HBSNcP1",
            "programIdIndex": 4
          }
        ],
        "recentBlockhash": "mfcyqEXB3DnHXki6KjjmZck6YjmZLvpAByy2fj4nh6B"
      },
      "signatures": [
        "2nBhEBYYvfaAe16UMNqRHre4YNSskvuYgx3M6E4JP1oDYvZEJHvoPzyUidNgNX5r9sTyN1J9UxtbCXy2rqYcuyuv"
      ]
    },
    "meta": {
      "err": null,
      "fee": 5000,
      "innerInstructions": [
        {}
      ]
    }
  }
}