> ## 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_getTransactionByBlockHashAndIndex

> Get a transaction by block hash and transaction index position

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

<Info>
  Returns information about a transaction by block hash and transaction index position.
</Info>

## Parameters

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

<ParamField body="transactionIndex" type="string" required>
  Integer of the transaction index position as a hexadecimal string.
</ParamField>

## Returns

<ResponseField name="result" type="object">
  A transaction object, or null when no transaction was found.

  <Expandable title="Transaction object properties">
    <ResponseField name="blockHash" type="string">
      Hash of the block where this transaction was in.
    </ResponseField>

    <ResponseField name="blockNumber" type="string">
      Block number where this transaction was in.
    </ResponseField>

    <ResponseField name="from" type="string">
      Address of the sender.
    </ResponseField>

    <ResponseField name="gas" type="string">
      Gas provided by the sender.
    </ResponseField>

    <ResponseField name="gasPrice" type="string">
      Gas price provided by the sender in Wei.
    </ResponseField>

    <ResponseField name="hash" type="string">
      Hash of the transaction.
    </ResponseField>

    <ResponseField name="input" type="string">
      The data sent along with the transaction.
    </ResponseField>

    <ResponseField name="nonce" type="string">
      The number of transactions made by the sender prior to this one.
    </ResponseField>

    <ResponseField name="to" type="string">
      Address of the receiver. null when it's a contract creation transaction.
    </ResponseField>

    <ResponseField name="transactionIndex" type="string">
      Integer of the transaction index position in the block.
    </ResponseField>

    <ResponseField name="value" type="string">
      Value transferred in Wei.
    </ResponseField>

    <ResponseField name="v" type="string">
      ECDSA recovery id.
    </ResponseField>

    <ResponseField name="r" type="string">
      ECDSA signature r.
    </ResponseField>

    <ResponseField name="s" type="string">
      ECDSA signature s.
    </ResponseField>
  </Expandable>
</ResponseField>

<RequestExample>
  ```json Request theme={null}
  {
    "id": 1,
    "jsonrpc": "2.0",
    "method": "eth_getTransactionByBlockHashAndIndex",
    "params": [
      "0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b",
      "0x0"
    ]
  }
  ```
</RequestExample>

<ResponseExample>
  ```json Success Response theme={null}
  {
    "id": 1,
    "jsonrpc": "2.0",
    "result": {
      "blockHash": "0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b",
      "blockNumber": "0xb",
      "from": "0x407d73d8a49eeb85d32cf465507dd71d507100c1",
      "gas": "0x76c0",
      "gasPrice": "0x9184e72a000",
      "hash": "0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238",
      "input": "0x",
      "nonce": "0x1",
      "to": "0x85h43d8a49eeb85d32cf465507dd71d507100c1",
      "transactionIndex": "0x0",
      "value": "0x2710",
      "v": "0x25",
      "r": "0xc9cf86333bcb065d140032ecaab5d9281bde80f21b9687b3e94161de42d51895",
      "s": "0x727a108a0b8d101465414033c3f705a9c7b826e596766046ee1183dbc8aeaa68"
    }
  }
  ```

  ```json Not Found theme={null}
  {
    "id": 1,
    "jsonrpc": "2.0",
    "result": null
  }
  ```
</ResponseExample>

## Error Handling

| Code   | Message                        | Description                               |
| ------ | ------------------------------ | ----------------------------------------- |
| -32602 | Invalid parameters             | Invalid block hash or transaction index   |
| 4100   | Requested method not supported | The method is not supported by the wallet |

<Info>
  Transaction indices start at 0x0 for the first transaction in a block. If the index exceeds the number of transactions in the block, null is returned.
</Info>

```
```