## List Sessions

`ChatListPageResponse Beta.Chat.List(ChatListParams?parameters, CancellationTokencancellationToken = default)`

**get** `/api/v1/chat`

List all chat sessions for the current project.

### Parameters

- `ChatListParams parameters`

  - `string? organizationID`

  - `Long? pageSize`

  - `string? pageToken`

  - `string? projectID`

### Returns

- `class ChatListPageResponse:`

  Paginated list of chat sessions.

  - `required IReadOnlyList<ChatListResponse> Items`

    Chat sessions for the current page.

    - `required string LastUpdatedAt`

      ISO-format timestamp showing when the session was last updated.

    - `required string SessionID`

      Unique session identifier.

    - `string? GeneratedTitle`

      Auto-generated title derived from the first user message.

    - `IReadOnlyList<string>? IndexIds`

      Indexes this session is bound to. Null on unbound sessions.

    - `JobMetadata? JobMetadata`

      Token usage and status from the most recent run. Null if the session has not been run yet.

      - `Double DurationMs`

      - `string? Error`

      - `IReadOnlyList<string>? ExportConfigIds`

      - `Boolean IsError`

      - `Long? TotalInputTokens`

      - `Long? TotalOutputTokens`

      - `Long Turns`

  - `string? NextPageToken`

    Opaque token to retrieve the next page. Omitted when there are no further pages.

### Example

```csharp
ChatListParams parameters = new();

var page = await client.Beta.Chat.List(parameters);
await foreach (var item in page.Paginate())
{
    Console.WriteLine(item);
}
```

#### Response

```json
{
  "items": [
    {
      "last_updated_at": "2026-04-22T12:34:41.342245",
      "session_id": "ses-abc123",
      "generated_title": "What were the main findings in Q3?...",
      "index_ids": [
        "idx-abc123",
        "idx-def456"
      ],
      "job_metadata": {
        "duration_ms": 0,
        "error": "error",
        "export_config_ids": [
          "string"
        ],
        "is_error": true,
        "total_input_tokens": 0,
        "total_output_tokens": 0,
        "turns": 0
      }
    }
  ],
  "next_page_token": "next_page_token"
}
```