### YouTube Data API v3 Quickstart Guides

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-cn

Quickstart guides are available to help developers set up simple applications making YouTube Data API requests. These guides cover various platforms and languages, providing a starting point for integration.

```android
Link to Android Quickstart Guide.
```

```apps-script
Link to Apps Script Quickstart Guide.
```

```go
Link to Go Quickstart Guide.
```

```java
Link to Java Quickstart Guide.
```

```javascript
Link to JavaScript Quickstart Guide.
```

```nodejs
Link to Node.js Quickstart Guide.
```

```php
Link to PHP Quickstart Guide.
```

```python
Link to Python Quickstart Guide.
```

```ruby
Link to Ruby Quickstart Guide.
```

--------------------------------

### YouTube Data API v3 - Getting Started

Source: https://developers.google.com/youtube/v3/getting-started

This section outlines the essential steps to begin using the YouTube Data API v3, including account setup, project creation, API enablement, and authentication.

```APIDOC
## Getting Started with YouTube Data API v3

### Description
To use the YouTube Data API v3, developers need to complete several setup steps to ensure their application can access and interact with YouTube data.

### Prerequisites
1.  **Google Account**: Required for accessing the Google API Console and managing API keys.
2.  **Google Developers Console Project**: Create a project to organize your API usage and obtain credentials.
3.  **Enable YouTube Data API v3**: Ensure the API is enabled for your project in the Google Developers Console.
4.  **Authentication**: Implement OAuth 2.0 for methods requiring user authorization.
5.  **Client Library**: Consider using a client library to simplify API integration.
6.  **JSON Familiarity**: Understand the JSON data format for request and response payloads.

### Steps
1.  **Obtain Google Account and API Console Access**
    *   Sign in with your Google Account.
    *   Navigate to the Google Developers Console.
2.  **Create a Project and Obtain Credentials**
    *   Create a new project in the Developers Console.
    *   Generate API credentials (e.g., API key, OAuth 2.0 client ID).
3.  **Enable the YouTube Data API v3**
    *   In your project, go to 'Enabled APIs'.
    *   Find 'YouTube Data API v3' and ensure its status is 'ON'.
4.  **Implement Authentication (if needed)**
    *   For user-specific data, implement the OAuth 2.0 flow as described in the authentication guide.
5.  **Choose a Client Library**
    *   Select a client library for your programming language to streamline development.

### Resources
*   [Google API Console](https://console.developers.google.com/)
*   [YouTube Data API v3 Authentication Guide](https://developers.google.com/youtube/v3/guides/auth)
*   [JSON Official Website](http://www.json.org/)
```

--------------------------------

### YouTube Data API v3 Quickstart Guides

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-tw

Quickstart guides are available to help developers set up simple applications that make YouTube Data API requests. These guides cover various platforms and programming languages, providing a starting point for integrating YouTube API functionality into projects.

```Android
// Android quickstart setup
```

```Apps Script
// Apps Script quickstart setup
```

```Go
// Go quickstart setup
```

```Java
// Java quickstart setup
```

```JavaScript
// JavaScript quickstart setup
```

```Node.js
// Node.js quickstart setup
```

```PHP
// PHP quickstart setup
```

```Python
# Python quickstart setup
```

```Ruby
# Ruby quickstart setup
```

--------------------------------

### YouTube Data API v3 Quickstart Guides

Source: https://developers.google.com/youtube/v3/revision_history_hl=tr

Quickstart guides provide instructions on setting up simple applications to make YouTube Data API requests. Guides are available for Android, Apps Script, Go, Java, JavaScript, Node.js, PHP, Python, and Ruby.

```Android
// Android quickstart guide content (placeholder)
```

```Apps Script
// Apps Script quickstart guide content (placeholder)
```

```Go
// Go quickstart guide content (placeholder)
```

```Java
// Java quickstart guide content (placeholder)
```

```JavaScript
// JavaScript quickstart guide content (placeholder)
```

```Node.js
// Node.js quickstart guide content (placeholder)
```

```PHP
// PHP quickstart guide content (placeholder)
```

```Python
# Python quickstart guide content (placeholder)
```

```Ruby
# Ruby quickstart guide content (placeholder)
```

--------------------------------

### YouTube Data API v3 Quickstart Guides

Source: https://developers.google.com/youtube/v3/revision_history_hl=vi

Quickstart guides are available to help developers set up simple applications that make YouTube Data API requests. These guides cover various platforms and technologies.

```Android
// Android quickstart guide setup
// Placeholder for actual code
```

```Apps Script
// Apps Script quickstart guide setup
// Placeholder for actual code
```

```Go
// Go quickstart guide setup
// Placeholder for actual code
```

```Java
// Java quickstart guide setup
// Placeholder for actual code
```

```JavaScript
// JavaScript quickstart guide setup
// Placeholder for actual code
```

```Node.js
// Node.js quickstart guide setup
// Placeholder for actual code
```

```PHP
// PHP quickstart guide setup
// Placeholder for actual code
```

```Python
# Python quickstart guide setup
# Placeholder for actual code
```

```Ruby
# Ruby quickstart guide setup
# Placeholder for actual code
```

--------------------------------

### Quickstart Guides

Source: https://developers.google.com/youtube/v3/revision_history_hl=th

Announces the release of new quickstart guides for setting up applications that make YouTube Data API requests. Guides are available for Android, Apps Script, Go, Java, JavaScript, Node.js, PHP, Python, and Ruby.

```APIDOC
## Quickstart Guides

### Description
New quickstart guides are available to help developers set up simple applications that make YouTube Data API requests.

### Available Languages
- Android
- Apps Script
- Go
- Java
- JavaScript
- Node.js
- PHP
- Python
- Ruby
```

--------------------------------

### New Quickstart Guides

Source: https://developers.google.com/youtube/v3/revision_history_hl=vi

Announces the release of new quickstart guides to help developers set up applications that make YouTube Data API requests.

```APIDOC
## New Quickstart Guides Available

### Description
Quickstart guides have been introduced to assist developers in setting up simple applications that utilize the YouTube Data API. These guides are available for multiple platforms and languages.

### Available Guides

*   Android
*   Apps Script
*   Go
*   Java
*   JavaScript
*   Node.js
*   PHP
*   Python
*   Ruby
```

--------------------------------

### YouTube Data API v3 Quickstart Guides

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-tw

As of April 27, 2017, new quickstart guides are available to help developers set up applications that make YouTube Data API requests. Guides are provided for multiple platforms including Android, Apps Script, Go, Java, JavaScript, Node.js, PHP, Python, and Ruby.

```APIDOC
## YouTube Data API v3 Quickstart Guides

### Description
New quickstart guides are available to assist developers in setting up applications that interact with the YouTube Data API v3. These guides cover various development platforms.

### Method
N/A (Documentation update)

### Endpoint
N/A

### Parameters
N/A

### Request Example
N/A

### Response
N/A

### Available Quickstarts
- Android: `/youtube/v3/quickstart/android`
- Apps Script: `/youtube/v3/quickstart/apps-script`
- Go: `/youtube/v3/quickstart/go`
- Java: `/youtube/v3/quickstart/java`
- JavaScript: `/youtube/v3/quickstart/js`
- Node.js: `/youtube/v3/quickstart/nodejs`
- PHP: `/youtube/v3/quickstart/php`
- Python: `/youtube/v3/quickstart/python`
- Ruby: `/youtube/v3/quickstart/ruby`
```

--------------------------------

### YouTube Data API v3 Quickstart Guides

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-cn

New quickstart guides have been released to assist developers in setting up simple applications that make YouTube Data API requests. Guides are available for Android, Apps Script, Go, Java, JavaScript, Node.js, PHP, Python, and Ruby.

```APIDOC
## YouTube Data API v3 Quickstart Guides

### Description
This documentation provides quickstart guides to help developers quickly set up applications and start making requests using the YouTube Data API v3. These guides cover various platforms and languages, offering step-by-step instructions for initial setup and basic API interaction.

### Method
N/A (Documentation Resource)

### Endpoint
N/A

### Parameters
N/A

### Request Example
N/A

### Response
N/A

### Available Guides
- **Android:** `/youtube/v3/quickstart/android`
- **Apps Script:** `/youtube/v3/quickstart/apps-script`
- **Go:** `/youtube/v3/quickstart/go`
- **Java:** `/youtube/v3/quickstart/java`
- **JavaScript:** `/youtube/v3/quickstart/js`
- **Node.js:** `/youtube/v3/quickstart/nodejs`
- **PHP:** `/youtube/v3/quickstart/php`
- **Python:** `/youtube/v3/quickstart/python`
- **Ruby:** `/youtube/v3/quickstart/ruby`
```

--------------------------------

### YouTube Data API v3 Quickstart Guides

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-tw

Details on revised quickstart guides for Java, JavaScript, PHP, and Python. These guides explain how to run API samples using either an API key or an OAuth 2.0 client ID, leveraging code snippets from the APIs Explorer.

```java
// Java quickstart guide details:
// Instructions for running samples with API key and OAuth 2.0 client ID.
```

```javascript
// JavaScript quickstart guide details:
// Instructions for running samples with API key and OAuth 2.0 client ID.
```

```php
// PHP quickstart guide details:
// Instructions for running samples with API key and OAuth 2.0 client ID.
```

```python
# Python quickstart guide details:
# Instructions for running samples with API key and OAuth 2.0 client ID.
```

--------------------------------

### YouTube Data API v3 Quickstart Guides

Source: https://developers.google.com/youtube/v3/revision_history_hl=th

These quickstart guides provide instructions on setting up a simple application to make YouTube Data API requests. They are available for Android, Apps Script, Go, Java, JavaScript, Node.js, PHP, Python, and Ruby.

```java
// Placeholder for Java Quickstart guide code.
// Actual code would be in a separate file and involve setting up the YouTube Data API client.
public class YouTubeQuickstart {
    public static void main(String[] args) {
        System.out.println("YouTube Data API v3 Java Quickstart placeholder.");
        // Steps typically involve:
        // 1. Setting up the build.gradle file.
        // 2. Creating a GoogleCredential object.
        // 3. Building the YouTube service object.
        // 4. Making API calls (e.g., channels.list).
    }
}
```

```javascript
// Placeholder for JavaScript Quickstart guide code (Node.js example).
// Actual code would be in a separate file and involve setting up the YouTube Data API client.
const { google } = require('googleapis');

async function quickstart() {
  console.log('YouTube Data API v3 JavaScript (Node.js) Quickstart placeholder.');
  // Steps typically involve:
  // 1. Installing the googleapis package: npm install googleapis
  // 2. Authenticating the user (OAuth2).
  // 3. Creating a YouTube service object.
  // 4. Making API calls (e.g., search.list).
}

quickstart().catch(console.error);

```

```php
<?php
/**
 * Placeholder for PHP Quickstart guide code.
 * Actual code would be in a separate file and involve setting up the YouTube Data API client.
 */
require_once __DIR__ . '/vendor/autoload.php';

function quickstart_php() {
    echo 'YouTube Data API v3 PHP Quickstart placeholder.\n';
    // Steps typically involve:
    // 1. Installing the google/apiclient library: composer require google/apiclient
    // 2. Setting up client with credentials (API key or OAuth2).
    // 3. Creating a YouTube service object.
    // 4. Making API calls (e.g., playlists.list).
}

quickstart_php();
?>
```

```python
# Placeholder for Python Quickstart guide code.
# Actual code would be in a separate file and involve setting up the YouTube Data API client.
from googleapiclient.discovery import build

API_KEY = 'YOUR_API_KEY' # Or use OAuth2 for authenticated requests

def quickstart_python():
    print('YouTube Data API v3 Python Quickstart placeholder.')
    # Steps typically involve:
    # 1. Installing the google-api-python-client library: pip install --upgrade google-api-python-client
    # 2. Building the YouTube service object.
    # 3. Making API calls (e.g., videos.list).
    try:
        youtube = build('youtube', 'v3', developerKey=API_KEY)
        # Example API call (replace with actual method)
        # request = youtube.channels().list(part='snippet,statistics', id='UC_x5XG1OV2P6uZZ5FSM9Ttw')
        # response = request.execute()
        # print(response)
    except Exception as e:
        print(f"An error occurred: {e}")

quickstart_python()

```

```ruby
# Placeholder for Ruby Quickstart guide code.
# Actual code would be in a separate file and involve setting up the YouTube Data API client.
require 'google/apis/youtube_v3'

def quickstart_ruby
  puts 'YouTube Data API v3 Ruby Quickstart placeholder.'
  # Steps typically involve:
  # 1. Adding the 'google-api-client' gem to your Gemfile.
  # 2. Authenticating the user (OAuth2).
  # 3. Creating a YouTube service object.
  # 4. Making API calls (e.g., search.list).

  # Example initialization (requires authentication setup):
  # youtube = Google::Apis::YoutubeV3::YouTubeService.new
  # youtube.key = 'YOUR_API_KEY' # Or use OAuth2

  # begin
  #   # Example API call
  #   # response = youtube.list_popular_videos('snippet', region: 'US', max_results: 5)
  #   # response.items.each do |video|
  #   #   puts video.snippet.title
  #   # end
  # rescue Google::Apis::ClientError => e
  #   puts "An error occurred: #{e.message}"
  # end
end

quickstart_ruby

```

```javascript
// Placeholder for Apps Script Quickstart guide code.
// Actual code would be in a separate file and involve setting up the YouTube Data API client.
function quickstartAppsScript() {
  Logger.log('YouTube Data API v3 Apps Script Quickstart placeholder.');
  // Steps typically involve:
  // 1. Enabling the YouTube Data API v3 in the Apps Script project.
  // 2. Using UrlFetchApp or built-in services to make API calls.
  // 3. Handling authentication if necessary (e.g., using ScriptApp.getUser().getEmail()).

  // Example API call (requires correct scopes and permissions):
  // var response = YouTube.Channels.list('snippet', {'mine': 'true'});
  // Logger.log(response);
}
quickstartAppsScript();

```

```go
package main

import (
	"context"
	"fmt"
	"log"
	"golang.org/x/oauth2"
	"golang.org/x/oauth2/google"
	"google.golang.org/api/option"
	"google.golang.org/api/youtube/v3"
)

// Placeholder for Go Quickstart guide code.
func quickstartGo() {
	fmt.Println("YouTube Data API v3 Go Quickstart placeholder.")
	// Steps typically involve:
	// 1. Setting up the Go module and dependencies.
	// 2. Handling authentication (OAuth2 is common).
	// 3. Creating a YouTube service client.
	// 4. Making API calls (e.g., channels.list).

	// Example setup (requires actual authentication flow):
	// ctx := context.Background()
	// // client := getClient(ctx) // Function to get authenticated http.Client
	// // svc, err := youtube.NewService(ctx, option.WithHTTPClient(client))
	// // if err != nil {
	// // 	log.Fatalf("Unable to create YouTube service: %v", err)
	// // }

	// fmt.Println("YouTube service created (placeholder).")
}

func main() {
	quickstartGo()
}

```

--------------------------------

### Quickstart Guides Update (April 4, 2019)

Source: https://developers.google.com/youtube/v3/revision_history_hl=th

The quickstart guides for Java, JavaScript, PHP, and Python have been updated to explain how to run samples using an API key and an OAuth 2.0 client ID.

```APIDOC
## Quickstart Guides Update (April 4, 2019)

### Description
The quickstart guides for Java, JavaScript, PHP, and Python have been revised. The updated guides detail how to execute sample code using both an API key and an OAuth 2.0 client ID, leveraging code samples from the APIs Explorer.

### Method
N/A (Informational)

### Endpoint
N/A (Informational)

### Parameters
N/A

### Request Example
N/A

### Response
#### Success Response (Informational)
- **Revised quickstart guides**: Available for Java, JavaScript, PHP, and Python.
- **Content**: Explains running samples with an API key and an OAuth 2.0 client ID.

#### Response Example
N/A
```

--------------------------------

### YouTube Data API v3 Quickstart Guides (Java, JavaScript, PHP, Python)

Source: https://developers.google.com/youtube/v3/revision_history_hl=vi

Updated quickstart guides for Java, JavaScript, PHP, and Python, explaining how to run samples using an API key or an OAuth 2.0 client ID, leveraging code samples from the APIs Explorer.

```plaintext
Quickstart guides for Java, JavaScript, PHP, and Python have been updated. The revised guides explain how to run one sample with an API key and another sample with an OAuth 2.0 client ID using code samples from the APIs Explorer.
```

--------------------------------

### Quickstart Guides Update (April 4, 2019)

Source: https://developers.google.com/youtube/v3/revision_history_hl=tr

Quickstart guides for Java, JavaScript, PHP, and Python have been updated to explain how to run samples using an API key and an OAuth 2.0 client ID, leveraging code samples from the APIs Explorer.

```APIDOC
## Quickstart Guides Update

### Description
Information regarding the revised quickstart guides for multiple programming languages, updated as part of the April 4, 2019 release for the YouTube Data API v3.

### Method
N/A (Guide update description)

### Endpoint
N/A

### Updated Languages
- Java
- JavaScript
- PHP
- Python

### Changes
- **Authentication Examples**: Guides now explain how to run samples using both an API key and an OAuth 2.0 client ID.
- **APIs Explorer Integration**: Utilizes code samples generated from the APIs Explorer.
```

--------------------------------

### .NET Client Library Example

Source: https://developers.google.com/youtube/v3/docs/playlistItems/list

This .NET code sample demonstrates how to retrieve a list of videos uploaded to the authenticated user's channel using the Google API Client Library for .NET. It utilizes `Channels.List` to get channel details and implies subsequent use of `PlaylistItems.List` (though not fully detailed in the provided snippet).

```APIDOC
## GET /youtube/v3/channels

### Description
Retrieves a list of channels that match the specified query parameters. This is used here to get the channel ID of the authenticated user.

### Method
GET

### Endpoint
/youtube/v3/channels

### Parameters
#### Query Parameters
- **part** (string) - Required - The part of the channel resource that you want the channel to return.
- **mine** (boolean) - Required - Indicates that you want to retrieve channels associated with the authenticated user.

### Request Example
```csharp
// This is a conceptual representation, actual call is within the C# code.
// var channelsListRequest = youtubeService.Channels.List("contentDetails");
// channelsListRequest.Mine = true;
// var response = await channelsListRequest.ExecuteAsync();
```

### Response
#### Success Response (200)
- **items** (array) - The channel resources.

#### Response Example
```json
{
  "kind": "youtube#channelListResponse",
  "etag": "...",
  "items": [
    {
      "kind": "youtube#channel",
      "etag": "...",
      "id": "CHANNEL_ID",
      "contentDetails": {
        "relatedPlaylists": {
          "likes": "...",
          "favorites": "...",
          "uploads": "UPLOADS_PLAYLIST_ID",
          "watchHistory": "..."
        }
      }
    }
  ]
}
```

## GET /youtube/v3/playlistItems

### Description
Retrieves a collection of playlist items in the specified playlist. This endpoint would be used after obtaining the `UPLOADS_PLAYLIST_ID` from the `channels.list` response to fetch the actual videos.

### Method
GET

### Endpoint
/youtube/v3/playlistItems

### Parameters
#### Query Parameters
- **part** (string) - Required - The part of the playlist item resource, which you can use to view or modify its properties.
- **playlistId** (string) - Required - The playlistId of the playlist for which to retrieve playlist items.
- **pageToken** (string) - Optional - The nextPageToken value returned from a previous Query call. 

### Request Example
```csharp
// This is a conceptual representation, actual call is within the C# code.
// var playlistItemsRequest = youtubeService.PlaylistItems.List(part);
// playlistItemsRequest.PlaylistId = playlistId;
// if (!string.IsNullOrEmpty(pageToken)) {
//     playlistItemsRequest.PageToken = pageToken;
// }
// var response = await playlistItemsRequest.ExecuteAsync();
```

### Response
#### Success Response (200)
- **items** (array) - The playlist items.
- **nextPageToken** (string) - The token that can be used to retrieve the next page of results.

#### Response Example
```json
{
  "kind": "youtube#playlistItemListResponse",
  "etag": "...",
  "items": [
    {
      "kind": "youtube#playlistItem",
      "etag": "...",
      "id": "...",
      "snippet": {
        "publishedAt": "...",
        "channelId": "...",
        "title": "Video Title",
        "description": "...",
        "thumbnails": { ... },
        "channelTitle": "...",
        "playlistId": "...",
        "position": 0,
        "resourceId": {
          "kind": "youtube#video",
          "videoId": "VIDEO_ID"
        }
      }
    }
  ],
  "nextPageToken": "..."
}
```
```

--------------------------------

### GET /youtube/v3/videos - Example 1: Including multiple parts

Source: https://developers.google.com/youtube/v3/getting-started_hl=id

This example demonstrates retrieving a video resource and includes the `snippet`, `contentDetails`, `statistics`, and `status` parts in the API response.

```APIDOC
## GET /youtube/v3/videos

### Description
Retrieves a video resource, specifying which parts of the resource to include in the response.

### Method
GET

### Endpoint
/youtube/v3/videos

### Parameters
#### Query Parameters
- **id** (string) - Required - The ID of the video to retrieve.
- **key** (string) - Required - Your API key.
- **part** (string) - Required - Comma-separated list of video resource parts to include in the response (e.g., `snippet`, `contentDetails`, `statistics`, `status`).

### Request Example
```
https://www.googleapis.com/youtube/v3/videos?id=7lCDEYXw3mM&key=YOUR_API_KEY&part=snippet,contentDetails,statistics,status
```

### Response
#### Success Response (200)
- **kind** (string) - The type of resource returned.
- **etag** (string) - The ETag of the response.
- **videos** (array) - An array of video resources.
  - **id** (string) - The ID of the video.
  - **kind** (string) - The type of video resource.
  - **etag** (string) - The ETag of the video resource.
  - **snippet** (object) - Contains details about the video's metadata.
    - **publishedAt** (string) - The date and time the video was published.
    - **channelId** (string) - The ID of the channel that published the video.
    - **title** (string) - The title of the video.
    - **description** (string) - The description of the video.
    - **thumbnails** (object) - Thumbnails for the video.
    - **categoryId** (string) - The ID of the video's category.
  - **contentDetails** (object) - Contains details about the video's content.
    - **duration** (string) - The duration of the video.
    - **aspectRatio** (string) - The aspect ratio of the video.
  - **statistics** (object) - Contains statistics about the video.
    - **viewCount** (string) - The number of views.
    - **likeCount** (string) - The number of likes.
    - **dislikeCount** (string) - The number of dislikes.
    - **favoriteCount** (string) - The number of favorites.
    - **commentCount** (string) - The number of comments.
  - **status** (object) - Contains the status of the video.
    - **uploadStatus** (string) - The upload status of the video.
    - **privacyStatus** (string) - The privacy status of the video.

#### Response Example
```json
{
 "kind": "youtube#videoListResponse",
 "etag": "\"UCBpFjp2h75_b92t44sqraUcyu0/sDAlsG9NGKfr6v5AlPZKSEZdtqA\"",
 "videos": [
  {
   "id": "7lCDEYXw3mM",
   "kind": "youtube#video",
   "etag": "\"UCBpFjp2h75_b92t44sqraUcyu0/iYynQR8AtacsFUwWmrVaw4Smb_Q\"",
   "snippet": {
    "publishedAt": "2012-06-20T22:45:24.000Z",
    "channelId": "UC_x5XG1OV2P6uZZ5FSM9Ttw",
    "title": "Google I/O 101: Q&A On Using Google APIs",
    "description": "Antonio Fuentes speaks to us and takes questions on working with Google APIs and OAuth 2.0.",
    "thumbnails": {
     "default": {
      "url": "https://i.ytimg.com/vi/7lCDEYXw3mM/default.jpg"
     },
     "medium": {
      "url": "https://i.ytimg.com/vi/7lCDEYXw3mM/mqdefault.jpg"
     },
     "high": {
      "url": "https://i.ytimg.com/vi/7lCDEYXw3mM/hqdefault.jpg"
     }
    },
    "categoryId": "28"
   },
   "contentDetails": {
    "duration": "PT15M51S",
    "aspectRatio": "RATIO_16_9"
   },
   "statistics": {
    "viewCount": "3057",
    "likeCount": "25",
    "dislikeCount": "0",
    "favoriteCount": "17",
    "commentCount": "12"
   },
   "status": {
    "uploadStatus": "STATUS_PROCESSED",
    "privacyStatus": "PRIVACY_PUBLIC"
   }
  }
 ]
}
```
```

--------------------------------

### GET /youtube/v3/videos - Retrieve Video Resource with Specific Parts

Source: https://developers.google.com/youtube/v3/getting-started

This example demonstrates how to retrieve a video resource and specifies which parts of the resource should be included in the API response using the 'part' parameter. It includes 'snippet', 'contentDetails', 'statistics', and 'status'.

```APIDOC
## GET /youtube/v3/videos

### Description
Retrieves a video resource, allowing specification of which resource parts to include in the response.

### Method
GET

### Endpoint
https://www.googleapis.com/youtube/v3/videos

### Parameters
#### Query Parameters
- **id** (string) - Required - The ID of the video to retrieve.
- **key** (string) - Required - Your API key.
- **part** (string) - Required - Comma-separated list of resource parts to include in the response (e.g., snippet,contentDetails,statistics,status).

### Request Example
```
GET https://www.googleapis.com/youtube/v3/videos?id=7lCDEYXw3mM&key=YOUR_API_KEY&part=snippet,contentDetails,statistics,status
```

### Response
#### Success Response (200)
- **kind** (string) - The type of resource returned.
- **etag** (string) - The ETag of the response.
- **videos** (array) - A list of video resources matching the request.
  - **id** (string) - The ID of the video.
  - **kind** (string) - The type of video resource.
  - **etag** (string) - The ETag of the video resource.
  - **snippet** (object) - The snippet object containing basic details about the video.
  - **contentDetails** (object) - The contentDetails object containing information about the video's duration and aspect ratio.
  - **statistics** (object) - The statistics object containing view, like, dislike, favorite, and comment counts.
  - **status** (object) - The status object containing upload and privacy status.

#### Response Example
```json
{
 "kind": "youtube#videoListResponse",
 "etag": "\"UCBpFjp2h75_b92t44sqraUcyu0/sDAlsG9NGKfr6v5AlPZKSEZdtqA\"",
 "videos": [
  {
   "id": "7lCDEYXw3mM",
   "kind": "youtube#video",
   "etag": "\"UCBpFjp2h75_b92t44sqraUcyu0/iYynQR8AtacsFUwWmrVaw4Smb_Q\"",
   "snippet": {
    "publishedAt": "2012-06-20T22:45:24.000Z",
    "channelId": "UC_x5XG1OV2P6uZZ5FSM9Ttw",
    "title": "Google I/O 101: Q&A On Using Google APIs",
    "description": "Antonio Fuentes speaks to us and takes questions on working with Google APIs and OAuth 2.0.",
    "thumbnails": {
     "default": {"url": "https://i.ytimg.com/vi/7lCDEYXw3mM/default.jpg"},
     "medium": {"url": "https://i.ytimg.com/vi/7lCDEYXw3mM/mqdefault.jpg"},
     "high": {"url": "https://i.ytimg.com/vi/7lCDEYXw3mM/hqdefault.jpg"}
    },
    "categoryId": "28"
   },
   "contentDetails": {
    "duration": "PT15M51S",
    "aspectRatio": "RATIO_16_9"
   },
   "statistics": {
    "viewCount": "3057",
    "likeCount": "25",
    "dislikeCount": "0",
    "favoriteCount": "17",
    "commentCount": "12"
   },
   "status": {
    "uploadStatus": "STATUS_PROCESSED",
    "privacyStatus": "PRIVACY_PUBLIC"
   }
  }
 ]
}
```
```

--------------------------------

### YouTube API: subscriptions.insert Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=vi

Includes code examples for the subscriptions.insert method in PHP and Python. These examples show how to subscribe to channels using the YouTube Data API.

```php
// Placeholder for PHP code example
```

```python
# Placeholder for Python code example
```

--------------------------------

### YouTube API: playlists.insert Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=vi

Offers code examples for the playlists.insert method in .NET and PHP. These examples illustrate how to create new playlists using the YouTube Data API.

```csharp
// Placeholder for .NET code example
```

```php
// Placeholder for PHP code example
```

--------------------------------

### Insert Subscription Example (Java, Ruby)

Source: https://developers.google.com/youtube/v3/revision_history_hl=th

Offers code examples for inserting subscriptions using the YouTube Data API v3, supporting both Java and Ruby. These snippets guide developers on how to programmatically subscribe to channels.

```Java
// Code example for subscriptions.insert in Java would go here.
// This is a placeholder as the actual code was not provided in the text.
```

```Ruby
# Code example for subscriptions.insert in Ruby would go here.
# This is a placeholder as the actual code was not provided in the text.
```

--------------------------------

### List Videos with Code Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-cn

Provides code examples for retrieving a list of videos using the YouTube Data API. PHP examples are available.

```php
// PHP code example for videos.list (not provided in text)
```

--------------------------------

### Insert Videos with Code Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-cn

Code examples for inserting new videos into YouTube. Currently, only PHP examples are listed.

```php
// PHP code example for videos.insert (not provided in text)
```

--------------------------------

### YouTube API v3 Channels List with Node.js Code Sample

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-tw

Demonstrates how to use the channels.list method in the YouTube API v3 with Node.js. This sample includes utility functions for parameter handling, providing a starting point for Node.js applications interacting with the API. It is similar to the Node.js quickstart guide but contains additional utility functions.

```javascript
function removeEmptyParameters(parameters) {
  const newParameters = {};
  for (const key in parameters) {
    if (parameters.hasOwnProperty(key) && parameters[key]) {
      newParameters[key] = parameters[key];
    }
  }
  return newParameters;
}

// Example usage:
// const params = {
//   part: 'snippet',
//   id: 'UCBR8-60-B28hp2BmDPdntcQ'
// };
// const cleanedParams = removeEmptyParameters(params);
// console.log(cleanedParams);

```

--------------------------------

### YouTube API Playlists Insert Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=th

Code examples for inserting new playlists into YouTube using the API. Supports .NET and PHP.

```csharp
// .NET code example for playlists.insert
```

```php
// PHP code example for playlists.insert
```

--------------------------------

### search.list Examples - JavaScript

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-tw

JavaScript code examples for utilizing the search.list method to perform searches on YouTube. Includes examples of different parameters and handling search results.

```JavaScript
// Example of using search.list in JavaScript
// This would require the Google API client library for JavaScript.

/*
function searchYouTube(query, maxResults = 10) {
  gapi.client.youtube.search.list({
    "part": "snippet",
    "q": query,
    "type": "video",
    "maxResults": maxResults
  }).then(response => {
    // Handle the response
    const items = response.result.items;
    items.forEach(item => {
      console.log("Video Title: " + item.snippet.title);
      console.log("Video ID: " + item.id.videoId);
      console.log("---------------------------");
    });
  }, err => {
    console.error("Error performing search", err);
  });
}
*/

```

--------------------------------

### YouTube API Thumbnails Set Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=th

Code examples for setting thumbnails for YouTube content using the API. Supports PHP and Python.

```php
// PHP code example for thumbnails.set
```

```python
# Python code example for thumbnails.set
```

--------------------------------

### API Response Example (Optimized Snippet)

Source: https://developers.google.com/youtube/v3/getting-started

An example of an API response where the video resource's snippet object is limited to specific properties.

```APIDOC
## API Response Example (Optimized Snippet)

### Description
This example demonstrates an API response where the `snippet` object within each `video` resource is configured to include only the `channelId`, `title`, and `categoryId` properties, optimizing the response size.

### Response Body Example
```json
{
 "videos": [
  {
   "id": "7lCDEYXw3mM",
   "snippet": {
    "channelId": "UC_x5XG1OV2P6uZZ5FSM9Ttw",
    "title": "Google I/O 101: Q&A On Using Google APIs",
    "categoryId": "28"
   },
   "statistics": {
    "viewCount": "3057",
    "likeCount": "25",
    "dislikeCount": "0",
    "favoriteCount": "17",
    "commentCount": "12"
   }
  }
 ]
}
```
```

--------------------------------

### search.list Examples - Java

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-tw

Java code examples for using the search.list method to search for YouTube content. Covers various parameters and demonstrates how to retrieve search results.

```Java
        // Example of using search.list in Java
        // This would require a YouTube client library and appropriate authentication.
        // The exact code would depend on the specific library implementation.

        /*
        YouTube youtube = new YouTube.Builder(new NetHttpTransport(), new JacksonFactory(), null)
            .setApplicationName("youtube-api-samples")
            .setGoogleClientRequestInitializer(new YouTubeInitializer()) // Replace with your initializer
            .build();

        // Example: Search for videos related to "Google I/O"
        String query = "Google I/O";
        long maxResults = 10;

        YouTube.Search.List request = youtube.search().list("snippet");
        request.setQ(query);
        request.setType("video"); // Search for videos
        request.setMaxResults(maxResults);

        SearchListResponse response = request.execute();
        List<SearchResult> searchResults = response.getItems();

        for (SearchResult searchResult : searchResults) {
            System.out.println("Video Title: " + searchResult.getSnippet().getTitle());
            System.out.println("Video ID: " + searchResult.getId().getVideoId());
            System.out.println("---------------------------");
        }
        */

```

--------------------------------

### Set Thumbnails with Code Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-cn

Illustrates how to set video thumbnails using the YouTube Data API. Examples provided in PHP and Python.

```php
// PHP code example for thumbnails.set (not provided in text)
```

```python
# Python code example for thumbnails.set (not provided in text)
```

--------------------------------

### Playlists Insert Examples - .NET, PHP

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-tw

Code examples for inserting new playlists using the YouTube Data API v3. These snippets focus on the playlists.insert method and are provided for .NET and PHP.

```csharp
// .NET code example for playlists.insert not provided in the text.
```

```php
// PHP code example for playlists.insert not provided in the text.
```

--------------------------------

### Playlists Insert Examples - YouTube Data API v3

Source: https://developers.google.com/youtube/v3/revision_history_hl=vi

Code examples for inserting new playlists using the playlists.insert method are available for Java, JavaScript, and Python. Developers can use these examples to programmatically create playlists.

```java
// Java code example for playlists.insert
```

```javascript
// JavaScript code example for playlists.insert
```

```python
# Python code example for playlists.insert
```

--------------------------------

### search.list Examples - Ruby

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-tw

Ruby code examples for the search.list method, showing how to search for YouTube content and retrieve results. Assumes the Google API Client Library for Ruby.

```Ruby
# Example of using search.list in Ruby
# This would require the Google API Client Library for Ruby.

# require 'google/apis/youtube_v3'

# youtube = Google::Apis::YoutubeV3::YouTubeService.new
# youtube.key = 'YOUR_API_KEY'

# search_results = youtube.list_video_(
#   'snippet',
#   q: 'Google I/O',
#   type: 'video',
#   max_results: 10
# )

# search_results.items.each do |item|
#   puts "Video Title: #{item.snippet.title}"
#   puts "Video ID: #{item.id.video_id}"
#   puts "---------------------------"
# end

```

--------------------------------

### Insert Playlists with Code Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-cn

Demonstrates how to insert new playlists using the YouTube Data API. Code examples are available for .NET and PHP.

```csharp
// .NET code example for playlists.insert (not provided in text)
```

```php
// PHP code example for playlists.insert (not provided in text)
```

--------------------------------

### Update Videos with Code Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-cn

Code examples for updating existing video details on YouTube. Available for Java, PHP, and Python.

```java
// Java code example for videos.update (not provided in text)
```

```php
// PHP code example for videos.update (not provided in text)
```

```python
# Python code example for videos.update (not provided in text)
```

--------------------------------

### YouTube API: videos.insert Example

Source: https://developers.google.com/youtube/v3/revision_history_hl=vi

Provides a code example for the videos.insert method in PHP. This example illustrates how to upload new videos using the YouTube Data API.

```php
// Placeholder for PHP code example
```

--------------------------------

### Activities Insert Examples - YouTube Data API v3

Source: https://developers.google.com/youtube/v3/revision_history_hl=vi

Code examples for the activities.insert method are available for Java. This allows developers to programmatically insert activities into the YouTube platform.

```java
// Java code example for activities.insert
// Requires YouTube Data API v3 client library
```

--------------------------------

### Update YouTube Channels with Code Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-cn

Provides code examples for updating YouTube channel settings. Supports Java and Python.

```java
# Java code example for channels.update (not provided in text)
```

```python
# Python code example for channels.update (not provided in text)
```

--------------------------------

### YouTube API Subscriptions Insert Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=th

Code examples for inserting new subscriptions using the YouTube Data API. Supports PHP and Python.

```php
// PHP code example for subscriptions.insert
```

```python
# Python code example for subscriptions.insert
```

--------------------------------

### Search List Examples - YouTube Data API v3

Source: https://developers.google.com/youtube/v3/revision_history_hl=vi

Code examples for the search.list method are available in Java, JavaScript, Python, and Ruby. These examples help developers implement search functionality within their applications.

```java
// Java code example for search.list
```

```javascript
// JavaScript code example for search.list
```

```python
# Python code example for search.list
```

```ruby
# Ruby code example for search.list
```

--------------------------------

### YouTube Data API v3: Quota Cost Example for Subscriptions Insert

Source: https://developers.google.com/youtube/v3/revision_history_hl=th

This snippet provides an example of quota cost calculation for the subscriptions.insert method and its associated resource parts. The example illustrates how different parts contribute to the total quota usage.

```text
subscriptions.insert method quota cost: ~50 units.
Subscription resource parts (snippet, contentDetails, subscriberSnippet): 2 units each.
```

--------------------------------

### search.list Examples - Python

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-tw

Python code examples demonstrating the use of the search.list method for searching YouTube content. Covers various parameters and result processing.

```Python
# Example of using search.list in Python
# This would require the Google API Client Library for Python.

# from googleapiclient.discovery import build

# youtube = build('youtube', 'v3', developerKey='YOUR_API_KEY')

# request = youtube.search().list(
#     part="snippet",
#     q="Google I/O",
#     type="video",
#     maxResults=10
# )
# response = request.execute()

# for item in response.get('items', []):
#     print(f"Video Title: {item['snippet']['title']}")
#     print(f"Video ID: {item['id']['videoId']}")
#     print("---------------------------")

```

--------------------------------

### YouTube API Channels Update Examples

Source: https://developers.google.com/youtube/v3/revision_history_hl=th

Code examples for updating YouTube channel settings using the API. Supports Java and Python.

```java
// Java code example for channels.update
```

```python
# Python code example for channels.update
```

--------------------------------

### Thumbnails Set Examples - PHP, Python

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-tw

Code examples demonstrating how to set thumbnails for YouTube content using the YouTube Data API v3. These snippets are for the thumbnails.set method and are available for PHP and Python.

```php
// PHP code example for thumbnails.set not provided in the text.
```

```python
# Python code example for thumbnails.set not provided in the text.
```

--------------------------------

### Subscriptions Insert Examples - PHP, Python

Source: https://developers.google.com/youtube/v3/revision_history_hl=zh-tw

Code examples for inserting new subscriptions using the YouTube Data API v3. These snippets are for the subscriptions.insert method and are available in PHP and Python.

```php
// PHP code example for subscriptions.insert not provided in the text.
```

```python
# Python code example for subscriptions.insert not provided in the text.
```