> ## 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.

# lookupCastConversation

Conversation for a cast

> **Group:** Cast APIs

Use this when you need: **Conversation for a cast**.

## 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.lookupCastConversation({
  identifier: "example", // Cast identifier (It\'s either a URL or a hash)
  type: "value", // The query param accepted by the API. Sent along with identifier param. url - Cast identifier is a url hash - Cast identifier is a hash
  // xNeynarExperimental: true, 
  // replyDepth: 123, 
  // includeChronologicalParentCasts: true, 
  // viewerFid: 123, 
  // sortType: "value", 
  // fold: "value", 
  // limit: 123, 
  // cursor: "example", 
});
console.log(res);
```

## Parameters

| Parameter                         | Type                                 | Required | Description                                                                                                                            |
| --------------------------------- | ------------------------------------ | :------: | -------------------------------------------------------------------------------------------------------------------------------------- |
| `identifier`                      | `string`                             |     ✅    | Cast identifier (It\'s either a URL or a hash)                                                                                     |
| `type`                            | `LookupCastConversationTypeEnum`     |     ✅    | The query param accepted by the API. Sent along with identifier param. url - Cast identifier is a url hash - Cast identifier is a hash |
| `xNeynarExperimental`             | `boolean`                            |     ❌    | -                                                                                                                                      |
| `replyDepth`                      | `number`                             |     ❌    | -                                                                                                                                      |
| `includeChronologicalParentCasts` | `boolean`                            |     ❌    | -                                                                                                                                      |
| `viewerFid`                       | `number`                             |     ❌    | -                                                                                                                                      |
| `sortType`                        | `LookupCastConversationSortTypeEnum` |     ❌    | -                                                                                                                                      |
| `fold`                            | `LookupCastConversationFoldEnum`     |     ❌    | -                                                                                                                                      |
| `limit`                           | `number`                             |     ❌    | -                                                                                                                                      |
| `cursor`                          | `string`                             |     ❌    | -                                                                                                                                      |

## Response

Returns a `RequestArgs` object.

## Error Handling

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

## Related API Reference

📖 **API Reference:** [lookupCastConversation](/reference/lookup-cast-conversation)

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.