> For the complete documentation index, see [llms.txt](/llms.txt).

# eth_getUncleCountByBlockHash

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

### Parameters

`Block hash`(string)

32 byte hex value

### Returns

Uncle count

Example request

```
await provider.request({
  method: 'eth_getUncleCountByBlockHash',
  params: ['0xb3b20624f8f0f86eb50dd04688409e5cea4bd02d700bf6e79e9384d47d6a5a35'],
})

```

Example response

```
{
  "id": 1,
  "jsonrpc": "2.0",
  "result": "0x1"
}

```