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

# eth_getBlockByHash on Tempo

> Call eth_getBlockByHash on Tempo via GoldRush JSON-RPC. Returns block information by block hash. Endpoint, parameters, return values, and code examples.

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`eth_getBlockByHash` on **Tempo**: Returns block information by block hash.

## Endpoint

```
https://rpc.goldrushdata.com/v1/tempo-mainnet
```

Authenticate with `Authorization: Bearer <GOLDRUSH_API_KEY>`. See [authentication](/goldrush-json-rpc/authentication).

## Parameters

| Name        | Type             | Required | Description                                                                       | Example                                                                |
| ----------- | ---------------- | -------- | --------------------------------------------------------------------------------- | ---------------------------------------------------------------------- |
| `blockHash` | `DATA, 32 bytes` | yes      | Hash of the block.                                                                | `"0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35"` |
| `hydrated`  | `Boolean`        | yes      | If `true`, returns full transaction objects; if `false`, only transaction hashes. | `false`                                                                |

## Returns

`Object | null`: Block object, or `null` if no block was found.

```json theme={null}
{"number":"0x14a3b8c","hash":"0xb3b20624...","parentHash":"0xa1c2...","transactions":["0x..."]}
```

## Examples

<CodeGroup>
  ```bash curl theme={null}
  curl https://rpc.goldrushdata.com/v1/tempo-mainnet \
    -H "Authorization: Bearer $GOLDRUSH_API_KEY" \
    -H "Content-Type: application/json" \
    -d '{
      "jsonrpc": "2.0",
      "id": 1,
      "method": "eth_getBlockByHash",
      "params": ["0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35", false]
    }'
  ```

  ```typescript ethers v6 theme={null}
  import { ethers } from "ethers";

  const url = "https://rpc.goldrushdata.com/v1/tempo-mainnet";
  const fetchReq = new ethers.FetchRequest(url);
  fetchReq.setHeader("Authorization", `Bearer ${process.env.GOLDRUSH_API_KEY}`);

  const provider = new ethers.JsonRpcProvider(fetchReq);
  const result = await provider.send("eth_getBlockByHash", ["0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35", false]);
  console.log(result);
  ```

  ```typescript viem theme={null}
  import { createPublicClient, http } from "viem";

  const client = createPublicClient({
    transport: http("https://rpc.goldrushdata.com/v1/tempo-mainnet", {
      fetchOptions: {
        headers: {
          Authorization: `Bearer ${process.env.GOLDRUSH_API_KEY}`,
        },
      },
    }),
  });

  const result = await client.request({
    method: "eth_getBlockByHash",
    params: ["0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35", false],
  });
  console.log(result);
  ```

  ```javascript web3.js theme={null}
  import { Web3 } from "web3";

  const provider = new Web3.providers.HttpProvider(
    "https://rpc.goldrushdata.com/v1/tempo-mainnet",
    {
      headers: [
        { name: "Authorization", value: `Bearer ${process.env.GOLDRUSH_API_KEY}` },
      ],
    }
  );
  const web3 = new Web3(provider);

  const result = await web3.currentProvider.request({
    method: "eth_getBlockByHash",
    params: ["0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35", false],
  });
  console.log(result);
  ```

  ```python web3.py theme={null}
  from os import environ
  from web3 import Web3

  w3 = Web3(Web3.HTTPProvider(
      "https://rpc.goldrushdata.com/v1/tempo-mainnet",
      request_kwargs={
          "headers": {
              "Authorization": f"Bearer {environ['GOLDRUSH_API_KEY']}",
          },
      },
  ))
  result = w3.manager.request_blocking("eth_getBlockByHash", ["0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35", false])
  print(result)
  ```
</CodeGroup>

## Errors

Standard JSON-RPC errors: `-32600` invalid request, `-32601` method not found, `-32602` invalid params.

## Related Blocks info methods on Tempo

* [`eth_blockNumber` on Tempo](/api-reference/json-rpc/tempo/eth-blocknumber)
* [`eth_getBlockByNumber` on Tempo](/api-reference/json-rpc/tempo/eth-getblockbynumber)
* [`eth_getBlockTransactionCountByHash` on Tempo](/api-reference/json-rpc/tempo/eth-getblocktransactioncountbyhash)
* [`eth_getBlockTransactionCountByNumber` on Tempo](/api-reference/json-rpc/tempo/eth-getblocktransactioncountbynumber)

## Also available on

* [`eth_getBlockByHash` on Ethereum](/api-reference/json-rpc/ethereum/eth-getblockbyhash)
* [`eth_getBlockByHash` on Polygon](/api-reference/json-rpc/polygon/eth-getblockbyhash)
* [`eth_getBlockByHash` on BNB Smart Chain (BSC)](/api-reference/json-rpc/bsc/eth-getblockbyhash)
* [`eth_getBlockByHash` on Arbitrum](/api-reference/json-rpc/arbitrum/eth-getblockbyhash)
* [`eth_getBlockByHash` on Base](/api-reference/json-rpc/base/eth-getblockbyhash)