> ## 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.

# web3_sha3 on HyperEVM

> Call web3_sha3 on HyperEVM via GoldRush JSON-RPC. Returns the keccak-256 hash of the supplied data. Endpoint, parameters, return values, and code examples.

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`web3_sha3` on **HyperEVM**: Returns the keccak-256 hash of the supplied data.

## Endpoint

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

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

## Parameters

| Name   | Type   | Required | Description             | Example                      |
| ------ | ------ | -------- | ----------------------- | ---------------------------- |
| `data` | `DATA` | yes      | Hex-encoded input data. | `"0x68656c6c6f20776f726c64"` |

## Returns

`DATA, 32 bytes`: Keccak-256 hash.

```json theme={null}
"0x47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad"
```

## Examples

<CodeGroup>
  ```bash curl theme={null}
  curl https://rpc.goldrushdata.com/v1/hyperevm-mainnet \
    -H "Authorization: Bearer $GOLDRUSH_API_KEY" \
    -H "Content-Type: application/json" \
    -d '{
      "jsonrpc": "2.0",
      "id": 1,
      "method": "web3_sha3",
      "params": ["0x68656c6c6f20776f726c64"]
    }'
  ```

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

  const url = "https://rpc.goldrushdata.com/v1/hyperevm-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("web3_sha3", ["0x68656c6c6f20776f726c64"]);
  console.log(result);
  ```

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

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

  const result = await client.request({
    method: "web3_sha3",
    params: ["0x68656c6c6f20776f726c64"],
  });
  console.log(result);
  ```

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

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

  const result = await web3.currentProvider.request({
    method: "web3_sha3",
    params: ["0x68656c6c6f20776f726c64"],
  });
  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/hyperevm-mainnet",
      request_kwargs={
          "headers": {
              "Authorization": f"Bearer {environ['GOLDRUSH_API_KEY']}",
          },
      },
  ))
  result = w3.manager.request_blocking("web3_sha3", ["0x68656c6c6f20776f726c64"])
  print(result)
  ```
</CodeGroup>

## Errors

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

## Related Client information methods on HyperEVM

* [`web3_clientVersion` on HyperEVM](/api-reference/json-rpc/hyperevm/web3-clientversion)

## Also available on

* [`web3_sha3` on Ethereum](/api-reference/json-rpc/ethereum/web3-sha3)
* [`web3_sha3` on Polygon](/api-reference/json-rpc/polygon/web3-sha3)
* [`web3_sha3` on BNB Smart Chain (BSC)](/api-reference/json-rpc/bsc/web3-sha3)
* [`web3_sha3` on Arbitrum](/api-reference/json-rpc/arbitrum/web3-sha3)
* [`web3_sha3` on Base](/api-reference/json-rpc/base/web3-sha3)