# eth\_getUncleCountByBlockHash

Returns the number of uncles in a block from a block matching the given block hash.

## **Parameters**

1. `DATA`, 32 Bytes - hash of a block

## Returns

`QUANTITY` - integer of the number of uncles in this block.

## Example

*NOTE:* In this example we are using public Ethereum endpoint. Ideally, for your own projects, you should use your own endpoint, which you can generate for free by connecting to your wallet [here](https://www.noderpc.xyz/).

{% tabs %}
{% tab title="ethers" %}

### Query

*NOTE:* `ethers` used below is a well-known web3 library, check it out [here](https://github.com/ethers-io/ethers.js/).

```javascript
import { ethers } from 'ethers';

const provider =
  new ethers
    .providers
    .JsonRpcProvider("https://www.noderpc.xyz/rpc-mainnet/public")

const info = async ()=> {
  const result = await provider.send("eth_getUncleCountByBlockHash", ["0x829df9bb801fc0494abf2f443423a49ffa32964554db71b098d332d87b70a48b"]);
  console.log(result);
}
info();
```

### Result

```json
0x0
```

{% endtab %}
{% endtabs %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.noderpc.xyz/node-rpc/ethereum-api-endpoints/eth_getunclecountbyblockhash.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

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