---
title: "Initialize youtube sandbox with data"
method: POST
path: "/sandbox/youtube/{sandbox_id}/initialize"
tags: ["sandbox"]
---

# Initialize youtube sandbox with data

`POST /sandbox/youtube/{sandbox_id}/initialize`

## Request

- Base URL: `https://api.klavis.ai`
- URL: `https://api.klavis.ai/sandbox/youtube/{sandbox_id}/initialize`
- Auth: HTTP bearer

Initialize the sandbox with youtube-specific data following the defined schema.

## Path parameters

- `sandbox_id` string, required: The unique sandbox identifier

## Query parameters

- `init_default_data` boolean: If true, use default test data for initialization

## Request body

- YouTubeDataInput: Complete YouTube sandbox data structure. Hierarchy: - Playlists contain Playlist Items (videos)
  - `playlists` YouTubePlaylist[], nullable: List of playlists
    - `title` string, required: Playlist title (required)
    - `description` string, nullable: Playlist description
    - `privacy_status` string, nullable: Privacy status: 'private', 'public', or 'unlisted'
    - `items` YouTubePlaylistItem[], nullable: Videos in this playlist
      - `video_id` string, required: YouTube video ID (e.g., 'dQw4w9WgXcQ')
      - `title` string, nullable: Video title (read-only on dump)
      - `note` string, nullable: Note/description for the playlist item
      - `position` integer, nullable: Position in playlist (0-indexed)

## Response `200`

Successful Response

- InitializeSandboxResponse: Response model for sandbox initialization
  - `sandbox_id` string, required: Sandbox identifier
  - `status` 'idle' | 'occupied' | 'error', required: Status of a sandbox instance - matches database enum
  - `message` string, required: Initialization result message

## Other responses

- `422`: Validation Error

## Changes

- **2026-02-09** `522418a391e5`: 1 warning
  - removed the optional property `records_created` from the response with the `200` status
- **2026-02-08** `d70b82139caa`: 2 info
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
- **2026-01-31** `4457a0cdcfab`: 1 warning
  - added the new `error` enum value to the `status` response property for the response status `200`
- **2026-01-29** `98ee29a1fb40`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/klavis-ai/apis/klavis-ai-https-www-klavis-ai/changes/sandbox/youtube/:sandbox_id/initialize/post.md)

---

[API](https://skmtc.dev/klavis-ai/apis/klavis-ai-https-www-klavis-ai.md) - [All operations](https://skmtc.dev/klavis-ai/apis/klavis-ai-https-www-klavis-ai/llms.txt) - [OpenAPI document](https://skmtc.dev/klavis-ai/apis/klavis-ai-https-www-klavis-ai/revisions/1f05ced7280f?raw)