## User actions across apps

Use this when you need: **User actions across apps**.

## Usage

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

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

const res = await client.publishFarcasterAction({
  farcasterActionReqBody: {
    signer_uuid: "19d0c5fd-9b33-4a48-a0e2-bc7b0555baec", // required
    base_url: "https://example.com", // required
    action: {
      type: "action_type", // required
      payload: { // optional
        // action-specific payload data
      }
    }
  }
});
console.log(res);
```

## Parameters

| Parameter | Type | Required | Description |
| --- | --- | --- | --- |
| `farcasterActionReqBody` | `FarcasterActionReqBody` | ✅ | - |
| `farcasterActionReqBody.signer_uuid` | `string` | ✅ | The signer_uuid of the user on behalf of whom the action is being performed. Must be paired with the API key |
| `farcasterActionReqBody.base_url` | `string` | ✅ | The base URL of the app on which the action is being performed |
| `farcasterActionReqBody.action` | `FarcasterActionReqBodyAction` | ✅ | The action object containing type and optional payload |
| `farcasterActionReqBody.action.type` | `string` | ✅ | The type of action being performed |
| `farcasterActionReqBody.action.payload` | `object` | ❌ | The payload of the action being performed (optional, action-specific data) |

## Response

Returns a `RequestArgs` object.

## Error Handling

```javascript
try {
  const res = await client.publishFarcasterAction({
    farcasterActionReqBody: {
      signer_uuid: "19d0c5fd-9b33-4a48-a0e2-bc7b0555baec",
      base_url: "https://example.com",
      action: {
        type: "action_type",
        payload: {
          // action-specific payload data
        }
      }
    }
  });
  // 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.