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

# TypeScript — Configuration

## Configuration

```typescript theme={null}
const pn = new PolyNode({
  apiKey: 'pn_live_...',                    // required
  baseUrl: 'https://api.polynode.dev',      // default
  v3BaseUrl: 'https://api.polynode.dev',    // optional override for pn.v3
  wsUrl: 'wss://ws.polynode.dev/ws',        // default
  obUrl: 'wss://ob.polynode.dev/ws',        // default
  rpcUrl: 'https://rpc.polynode.dev',       // default
  timeout: 10000,                            // ms, default 10s
});
```