> ## Documentation Index
> Fetch the complete documentation index at: https://chainpatrol.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Constructor

> Creates a new instance of the `ChainPatrolClient` class.

## Example

```ts theme={null}
import { ChainPatrolClient } from "@chainpatrol/sdk";

const chainpatrol = new ChainPatrolClient({ apiKey: "<API_KEY>" });
```

## Parameters

<ParamField body="options" type="object" required>
  <Expandable title="properties" defaultOpen>
    <ParamField body="apiKey" type="string">
      The `apiKey` property is the API Key for accessing ChainPatrol's APIs. We
      recommend using an environment variable to store your API Key.
    </ParamField>

    <ParamField body="baseUrl" type="string">
      The `baseUrl` property is an optional property that specifies the API URL. You
      only need to specify this if you are using a proxy server.

      Defaults to `https://app.chainpatrol.io/v2/`
    </ParamField>
  </Expandable>
</ParamField>