# GET /v4/node

_Merkl API_

> Check if an address was already labelled as specific by the Merkl Engine.

Check if a given address was already labelled as specific by the Merkl Engine. Use this endpoint to check for forwarders, pools, etc.

### Query parameters

- `chainId` (string | number)
- `addressOrId` (string) _(required)_

## Responses

- **200** Response for status 200

## Example request

```bash
curl -X GET "https://api.merkl.xyz//v4/node?addressOrId=<addressOrId>" \
  -H "x-api-key: YOUR_API_KEY"
```