> ## Documentation Index
> Fetch the complete documentation index at: https://docs.base.org/llms.txt
> Use this file to discover all available pages before exploring further.

# eth_getBlockTransactionCountByHash

> Returns the number of transactions in a block by block hash.

Returns the number of transactions in a block matching the given block hash.

## Parameters

<ParamField body="blockHash" type="string" required>
  The 32-byte block hash.
</ParamField>

## Returns

<ResponseField name="result" type="string">
  The number of transactions in the block as a hexadecimal integer. `null` if no block was found.
</ResponseField>

## Example

<CodeGroup>
  ```json Request theme={null}
  {
    "jsonrpc": "2.0",
    "method": "eth_getBlockTransactionCountByHash",
    "params": ["0x5c330e55a190f82ea486b61e5b12e27dfb4fb3cecfc5746886ef38ca1281bce8"],
    "id": 1
  }
  ```

  ```json Response theme={null}
  {
    "jsonrpc": "2.0",
    "id": 1,
    "result": "0x1f"
  }
  ```
</CodeGroup>