> For the complete documentation index, see [llms.txt](https://docs.getblock.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.getblock.io/api-reference/ethereum-classic-etc/etc_eth_chainid.md).

# eth\_chainId - Ethereum Classic

#### Parameters

\-

#### Request

```java
curl --location --request POST 'https://shared.eu-central-1.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \ 
--data-raw '{"jsonrpc": "2.0",
"method": "eth_chainId",
"params": [],
"id": "getblock.io"}'
```

#### Response

```java
{
    "id": "getblock.io",
    "jsonrpc": "2.0",
    "result": "0x3d"
}
```