> For the complete documentation index, see [llms.txt](/llms.txt).

# `eth_getSystemTxsByBlockNumber`

Returns system transactions for a specified block number on HyperEVM. This Hyperliquid-specific method exposes internal system transactions responsible for protocol operations, network maintenance, and other system-level activities. This method uses [80 credits](/services/get-started/pricing/) from your daily balance.

## Parameters[​](#parameters "Direct link to Parameters")

- `blockNumber`: (string) _[required]_ - The block number in hexadecimal format, or the tag `latest`, `pending`, `safe`, or `finalized`.

## Returns[​](#returns "Direct link to Returns")

- `result`: (array) - An array of system transaction objects included in the block.  
  - `type`: (string) - The transaction type.
  - `chainId`: (string) - The chain ID encoded as hexadecimal.
  - `nonce`: (string) - The transaction count of the sender.
  - `gasPrice`: (string) - Gas price in wei, encoded as hexadecimal.
  - `gas`: (string) - Gas limit provided by the sender.
  - `to`: (string) - Recipient address (null for contract creation).
  - `value`: (string) - Value transferred in wei, encoded as hexadecimal.
  - `input`: (string) - Input data of the transaction.
  - `r`: (string) - ECDSA signature r.
  - `s`: (string) - ECDSA signature s.
  - `v`: (string) - ECDSA recovery id.
  - `hash`: (string) - Transaction hash.
  - `blockHash`: (string) - Block hash.
  - `blockNumber`: (string) - Block number in hexadecimal.
  - `transactionIndex`: (string) - Index of the transaction in the block.
  - `from`: (string) - Sender address.

## Example[​](#example "Direct link to Example")

Replace `<YOUR-API-KEY>` with an API key from your [Infura dashboard](/developer-tools/dashboard/).

### Request[​](#request "Direct link to Request")

- curl
- WSS

```
curl https://hyperevm-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method": "eth_getSystemTxsByBlockNumber", "params": ["0xcc901c"], "id": 1}'

```

```
wscat -c wss://hyperevm-mainnet.infura.io/ws/v3/<YOUR-API-KEY> -x '{"jsonrpc": "2.0", "method": "eth_getSystemTxsByBlockNumber", "params": ["0xcc901c"], "id": 1}'

```

### Response[​](#response "Direct link to Response")

```
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "type": "0x0",
      "chainId": "0x1",
      "nonce": "0x0",
      "gasPrice": "0x2540be400",
      "gas": "0x5208",
      "to": "0x0000000000000000000000000000000000000000",
      "value": "0x0",
      "input": "0x",
      "r": "0x0",
      "s": "0x0",
      "v": "0x0",
      "hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
      "blockHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
      "blockNumber": "0xcc901c",
      "transactionIndex": "0x0",
      "from": "0x0000000000000000000000000000000000000000"
    }
  ]
}

```