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

# `eth_getRootHash`

Returns the root hash of a specified block range.

warning

The maximum difference between the specified block range can be 32767.

## Parameters[​](#parameters "Direct link to Parameters")

- `fromBlock (int)` - from block number specified as an integer
- `toBlock (int)` - to block number specified as an integer

## Returns[​](#returns "Direct link to Returns")

`string`: root hash of the specified block range

## Example[​](#example "Direct link to Example")

### Request[​](#request "Direct link to Request")

- curl
- WSS

```
curl https://polygon-mainnet.infura.io/v3/<YOUR-API-KEY> \
-X POST \
-H "Content-Type: application/json" \
-d '{"jsonrpc": "2.0", "method": "eth_getRootHash", "params": [1000, 1032], "id": 1}'

```

```
wscat -c wss://polygon-mainnet.infura.io/ws/v3/<YOUR-API-KEY> -x '{"jsonrpc": "2.0", "method": "eth_getRootHash", "params":[1000, 1032], "id": 1}'

```

### Response[​](#response "Direct link to Response")

```
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "67518d9fc6bf9ff886ba1a4e932a0d0a8a1318b3f300518773aaf2210410cf73"
}

```