## Fetch authorization url

**Group:** Signer APIs

Use this when you need: **Fetch authorization url**.

## Usage

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

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

const res = await client.fetchAuthorizationUrl({
  clientId: "example", // required
  responseType: "value", // required
});
console.log(res);
```

## Parameters

| Parameter | Type                                     | Required | Description |
| --------- | ---------------------------------------- | -------- | ----------- |
| `clientId`         | `string`                                 | ✅        | -           |
| `responseType` | `FetchAuthorizationUrlResponseTypeEnum` | ✅        | -           |

## Response

Returns a `RequestArgs` object.

## Error Handling

```javascript
try {
  const res = await client.fetchAuthorizationUrl({
    clientId: "example",
    responseType: "value"
  });
  // 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.