> For the complete documentation index, see [llms.txt](https://docs.omniatech.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.omniatech.io/rpc-api-docs/chains/base/standard-json-rpc-api/eth_getunclecountbyblocknumber.md).

# eth\_getUncleCountByBlockNumber

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

[**Ethereum.org API Reference**](https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_getunclecountbyblocknumber)

**Parameters**

`QUANTITY|TAG` - integer of a block number, or the string "latest", "earliest" or "pending", see the [default block parameter](https://ethereum.org/en/developers/docs/apis/json-rpc/#default-block) <mark style="color:red;">REQUIRED</mark>

**Returns**

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

## Example

#### Request

```
curl --request POST \
     --url https://endpoints.omniatech.io/v1/RPC_ENDPOINT \
     --header 'accept: application/json' \
     --header 'content-type: application/json' \
     --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "eth_getUncleCountByBlockNumber",
  "params": ["0x1127101"]
}
'
```

#### Response

```
{
    "jsonrpc": "2.0",
    "id": 1,
    "result": "0x0"
}
```