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

# `eth_getCode`

Returns the compiled byte code of a smart contract, if any, at a given address. This method uses [80 credits](/services/get-started/pricing/) from your daily balance.

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

- `address`: [_Required_] A string representing the address (20 bytes) of the smart contract, from which the compiled byte code will be obtained.
- `block number`:[_Required_] A hexadecimal block number, or one of the string tags `latest`, `earliest`, `pending`, `safe`, or `finalized`. See the [default block parameter](https://ethereum.org/en/developers/docs/apis/json-rpc/#default-block).

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

The compiled byte code of the smart contract at the given address.

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

Replace `<YOUR-API-KEY>` with an API key from your [Infura dashboard](https://app.infura.io/).

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

- curl
- WSS

```
curl https://optimism-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method": "eth_getCode", "params": ["0x06012c8cf97bead5deae237070f9587f8e7a266d", "0x65a8db"], "id": 1}'

```

```
wscat -c wss://optimism-mainnet.infura.io/ws/v3/<YOUR-API-KEY> -x '{"jsonrpc": "2.0", "method": "eth_getCode", "params": ["0x06012c8cf97bead5deae237070f9587f8e7a266d", "0x65a8db"], "id": 1}'

```

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

- JSON

```
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x60606040..."
}

```