# Contract Address

To allow a specific Ethereum address, click ADD and input it into the Contract Addresses.

<figure><img src="https://3851559242-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdWnQXn9w0LzfZSfrH31H%2Fuploads%2FQRaLmdvFg9AxsWlWQgbM%2Fimage.png?alt=media&#x26;token=26d7f538-fbe7-4ff4-9daa-98abcbbbe030" alt=""><figcaption></figcaption></figure>

Test with a method from the list.

> ```
> curl https://eth-gorli.paralinker.com/v1/<PROJECT_ID> \
>     -H 'Content-Type: application/json' \
>     -X POST \
>     -d '{"id":1, "jsonrpc": "2.0", "method": "eth_getBalance","params":["0xfe05a3e72235c9f92fd9f2282f41a8154d6d342b", "latest"]}'
> ```

Result:

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

Kindly be informed that the settings are expected to become active in around 1 minute.
