# eth\_chainId

Returns the currently configured chain id, a value used in replay-protected transaction signing as introduced by EIP-155.

### REQUEST

```
POST https://bsc-mainnet.paralinker.com/api/v1/YOUR-PROJECT-ID
```

#### HEADERS

```
Content-Type: application/json
```

#### EXAMPLE

```bash
## JSON-RPC over HTTPS POST
## Replace YOUR-PROJECT-ID with a Project ID from your Dashboard
## You can also replace mainnet with a different supported network
curl https://bsc-mainnet.paralinker.com/api/v1/YOUR-PROJECT-ID \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{"jsonrpc":"2.0","method":"eth_chainId","params": [],"id":1}'

## JSON-RPC over WSS
## Replace YOUR-PROJECT-ID with a Project ID from your Dashboard
## You can also replace mainnet with a different supported network
wscat -c wss://bsc-mainnet.paralinker.com/wss/v1/YOUR-PROJECT-ID
>{"jsonrpc":"2.0","method":"eth_chainId","params": [],"id":1}
```

### RESPONSE

#### RESULT FIELDS

* `QUANTITY` - hexadecimal of the current chain id.

#### BODY

```js
{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x1"
}
```
