## Token balance

**Group:** Onchain APIs

Use this when you need: **Token balance**.

## Usage

```javascript
import { NeynarAPIClient, Configuration } from "@neynar/nodejs-sdk";

const client = new NeynarAPIClient(
  new Configuration({ apiKey: "YOUR_NEYNAR_API_KEY" })
);

const res = await client.fetchUserBalance({
  fid: 123, // FID of the user to fetch
  networks: [], // Comma separated list of networks to fetch balances for
});
console.log(res);
```

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `fid` | `number` | ✅ | FID of the user to fetch |
| `networks` | `Array<FetchUserBalanceNetworksEnum>` | ✅ | Comma separated list of networks to fetch balances for |

## Response

Returns a `RequestArgs` object.

## Error Handling

```javascript
try {
  const res = await client.fetchUserBalance({
    fid: 123,
    networks: []
  });
  // use res
} catch (err) {
  // Axios/HTTP errors, invalid params, auth issues, etc.
  console.error(err);
}
```

## Tips

- Provide a **viewerFid** when supported to respect mutes/blocks and include `viewer_context`.
- Keep requests scoped (e.g., use `limit`) to improve latency.
- Cache results where sensible.