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

# lookupUserStorageUsage

Usage of user

> **Group:** Storage APIs

Use this when you need: **Usage of user**.

## Usage

```ts theme={"system"}
import { NeynarAPIClient, Configuration } from "@neynar/nodejs-sdk";

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

const res = await client.lookupUserStorageUsage({
  fid: 123, // The unique identifier of a farcaster user or app (unsigned integer)
});
console.log(res);
```

## Parameters

| Parameter | Type     | Required | Description                                                         |
| --------- | -------- | :------: | ------------------------------------------------------------------- |
| `fid`     | `number` |     ✅    | The unique identifier of a farcaster user or app (unsigned integer) |

## Response

Returns a `RequestArgs` object.

## Error Handling

```ts theme={"system"}
try {
  const res = await client.lookupUserStorageUsage({
    fid: 123
  });
  // use res
} catch (err) {
  // Axios/HTTP errors, invalid params, auth issues, etc.
  console.error(err);
}
```

## Related API Reference

📖 **API Reference:** [lookupUserStorageUsage](/reference/lookup-user-storage-usage)

For detailed information about the HTTP endpoint, request/response schemas, and additional examples, see the complete API documentation.

## 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.