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

# `eth_usingBigBlocks`

Returns whether an address is using big blocks on HyperEVM. This Hyperliquid-specific method helps determine if an address can use enhanced transaction processing capabilities. This method uses [80 credits](/services/get-started/pricing/) from your daily balance.

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

- `address`: (string) _[required]_ - The address to check for big blocks usage.

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

`true` if the address is using big blocks, otherwise false.

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

Replace `<YOUR-API-KEY>` with an API key from your [Infura dashboard](/developer-tools/dashboard/).

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

- curl
- WSS

```
curl https://hyperevm-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method": "eth_usingBigBlocks", "params": ["0xFC1286EeddF81d6955eDAd5C8D99B8Aa32F3D2AA"], "id": 1}'

```

```
wscat -c wss://hyperevm-mainnet.infura.io/ws/v3/<YOUR-API-KEY> -x '{"jsonrpc": "2.0", "method": "eth_usingBigBlocks", "params": ["0xFC1286EeddF81d6955eDAd5C8D99B8Aa32F3D2AA"], "id": 1}'

```

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

```
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": true
}

```