> ## Documentation Index
> Fetch the complete documentation index at: https://base-a060aa97-fix-dead-service-links.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# eth_getBlockTransactionCountByHash

> Get the number of transactions in a block by block hash

Defined in the [Ethereum JSON-RPC Specification](https://ethereum.org/en/developers/docs/apis/json-rpc/)

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

## Parameters

<ParamField body="blockHash" type="string" required>
  Hash of a block (32 bytes).
</ParamField>

## Returns

<ResponseField name="result" type="string">
  The number of transactions in this block as a hexadecimal string.
</ResponseField>

<RequestExample>
  ```json Request theme={null}
  {
    "id": 1,
    "jsonrpc": "2.0",
    "method": "eth_getBlockTransactionCountByHash",
    "params": [
      "0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b"
    ]
  }
  ```
</RequestExample>

<ResponseExample>
  ```json Success Response theme={null}
  {
    "id": 1,
    "jsonrpc": "2.0",
    "result": "0xa"
  }
  ```

  ```json Empty Block theme={null}
  {
    "id": 1,
    "jsonrpc": "2.0",
    "result": "0x0"
  }
  ```
</ResponseExample>

## Error Handling

| Code   | Message                        | Description                               |
| ------ | ------------------------------ | ----------------------------------------- |
| -32602 | Invalid block hash             | The provided block hash is invalid        |
| 4100   | Requested method not supported | The method is not supported by the wallet |

<Info>
  This method returns the count of transactions in a specific block identified by its hash.
</Info>

```
```