## Register Signed Key

> **Group:** Signer APIs

Use this when you need: **Register Signed Key**.

## Usage

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

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

const res = await client.registerSignedKey({
  registerSignerKeyReqBody: { /* request body */ }, // required
});
console.log(res);
```

## Parameters

| Parameter                     | Type                         | Required | Description |  
| ----------------------------- | ---------------------------- | -------- | ----------- |  
| `registerSignerKeyReqBody`   | `RegisterSignerKeyReqBody`  | ✅       | -           |

## Response

Returns a `RequestArgs` object.

## Error Handling

```
try {
  const res = await client.registerSignedKey({
    registerSignerKeyReqBody: { /* request body */ }
  });
  // 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.