> ## Documentation Index
> Fetch the complete documentation index at: https://docs.keyapi.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# 搜索频道

> 搜索频道。

<div className="inline-flex items-center gap-2 px-4 py-2 bg-yellow-50 dark:bg-yellow-900/20 border border-yellow-200 dark:border-yellow-800 rounded-lg">
  <span className="text-base">🪙</span>
  <span className="text-sm font-medium text-yellow-900 dark:text-yellow-100"><span className="font-semibold">3 credits</span><span className="text-yellow-700 dark:text-yellow-300 ml-1">每次请求</span></span>
</div>

## Copy for AI

<div className="my-6 rounded-xl border border-gray-200 bg-gray-50 p-5 dark:border-gray-800 dark:bg-gray-900/40">
  <div className="min-w-0">
    <p className="text-base font-semibold text-gray-900 dark:text-gray-100">🤖 让 AI 帮你写调用代码</p>
    <p className="mt-1 text-sm text-gray-700 dark:text-gray-300">点击按钮复制一段结构化提示词，可直接交给 ChatGPT、Claude 或其他 AI 助手生成接口调用代码。</p>
  </div>

  <div className="mt-4">
    <button type="button" className="inline-flex items-center gap-2 rounded-md border border-emerald-300 bg-emerald-50 px-3 py-2 text-sm font-medium text-emerald-800 hover:bg-emerald-100 dark:border-emerald-700 dark:bg-emerald-900/30 dark:text-emerald-100 dark:hover:bg-emerald-900/50" onClick={() => navigator.clipboard.writeText("我想调用 KeyAPI 接口：GET https://api.keyapi.ai/v1/youtube/search_channel\n\n请帮我编写调用代码，并包含必要的错误处理、参数校验和响应处理逻辑。\n\n接口信息：\n\nEndpoint: GET https://api.keyapi.ai/v1/youtube/search_channel\n\nDescription: YouTube 的「频道搜索」接口用于按关键词、地区或筛选条件检索数据，返回匹配结果、核心指标和分页信息。适用于视频分析、频道研究、评论监测和内容发现。常用必填参数包括 search_query。\n\nRequired Headers:\n--header 'Authorization: Bearer <YOUR_API_KEY>'\n\nParameters:\n- channel_id (Optional): channel_id 标识符. Example: UCXuqSBlHAE6Xw-yeJA0Tunw\n- search_query (Required): 搜索关键词. Example: AMD\n- language_code (Optional): language_code 参数. Example: en\n- country_code (Optional): 国家代码. Example: US\n- continuation_token (Optional): 分页游标，用于继续获取后续数据\n\nExample Response:\n{\n  \"code\": 0,\n  \"message\": \"success\",\n  \"data\": {\n    \"channel_id\": \"UCXuqSBlHAE6Xw-yeJA0Tunw\",\n    \"number_of_videos\": 0,\n    \"query\": \"AMD\",\n    \"country\": \"US\",\n    \"lang\": \"en\",\n    \"timezone\": \"America/New_York\",\n    \"continuation_token\": null,\n    \"videos\": []\n  },\n  \"requestId\": \"4c1bd52a-350a-48fc-a3b8-ba3709759fdb\"\n}\n\n请根据以上信息给出可直接运行的示例代码。")}>
      ✨ 复制给 AI
    </button>
  </div>
</div>


## OpenAPI

````yaml zh/youtube.zh.openapi.json GET /v1/youtube/search_channel
openapi: 3.0.1
info:
  title: YouTube API 中文文档
  description: YouTube API 的中文参考文档，包含接口用途、参数说明、响应状态和示例结构。
  version: 1.0.0
servers:
  - url: https://api.keyapi.ai
    description: Production
security: []
tags: []
paths:
  /v1/youtube/search_channel:
    get:
      tags: []
      summary: 搜索频道
      description: 搜索频道。
      parameters:
        - name: channel_id
          in: query
          description: 频道ID
          required: false
          example: UCXuqSBlHAE6Xw-yeJA0Tunw
          schema:
            type: string
            example: UCXuqSBlHAE6Xw-yeJA0Tunw
        - name: search_query
          in: query
          description: 搜索关键字
          required: true
          example: AMD
          schema:
            type: string
            example: AMD
        - name: language_code
          in: query
          description: 语言代码，默认为en
          required: false
          example: en
          schema:
            type: string
            default: en
        - name: country_code
          in: query
          description: 国家代码，默认为US
          required: false
          example: US
          schema:
            type: string
            default: US
        - name: continuation_token
          in: query
          description: 用于继续获取搜索结果的令牌。默认为None。
          required: false
          schema:
            type: string
      responses:
        '200':
          description: 请求成功
          content:
            application/json:
              schema:
                type: object
                properties: {}
              example:
                code: 0
                message: success
                data:
                  channel_id: UCXuqSBlHAE6Xw-yeJA0Tunw
                  number_of_videos: 0
                  query: AMD
                  country: US
                  lang: en
                  timezone: America/New_York
                  continuation_token: null
                  videos: []
                requestId: 4c1bd52a-350a-48fc-a3b8-ba3709759fdb
          headers: {}
        '400':
          description: 请求参数错误，请检查必填字段和参数格式
          content:
            application/json:
              schema:
                type: object
                example:
                  code: 400
                  data: null
                  message: 'Missing required parameter: handle'
        '401':
          description: 鉴权失败，请检查 Authorization Header 中的 Bearer Token 或 API Key 是否有效
          content:
            application/json:
              schema:
                type: object
                example:
                  code: 401
                  data: null
                  message: apiKey is null
        '402':
          description: 账户余额或额度不足
          content:
            application/json:
              schema:
                type: object
                example:
                  code: 402
                  data: null
                  message: apiKey quota is not enough
        '429':
          description: 请求过于频繁，已触发限流
          content:
            application/json:
              schema:
                type: object
                example:
                  code: 429
                  data: null
                  message: qps limit exceeded
        '500':
          description: 服务器内部错误，请稍后重试
          content:
            application/json:
              schema:
                type: object
                example:
                  code: 500
                  data: null
                  message: Internal server error
      deprecated: false
      security:
        - JWT Bearer: []
      x-codeSamples:
        - lang: curl
          label: cURL
          source: |-
            curl --request GET \
              --url 'https://api.keyapi.ai/v1/youtube/search_channel?channel_id=UCXuqSBlHAE6Xw-yeJA0Tunw&search_query=AMD&language_code=en&country_code=US' \
              --header 'Authorization: Bearer <YOUR_API_KEY>'
        - lang: python
          label: Python
          source: |-
            import requests

            response = requests.get(
                'https://api.keyapi.ai/v1/youtube/search_channel',
                params={"channel_id": "UCXuqSBlHAE6Xw-yeJA0Tunw", "search_query": "AMD", "language_code": "en", "country_code": "US"},
                headers={'Authorization': 'Bearer <YOUR_API_KEY>'}
            )
            print(response.json())
        - lang: javascript
          label: JavaScript
          source: >-
            const params = new URLSearchParams({"channel_id":
            "UCXuqSBlHAE6Xw-yeJA0Tunw", "search_query": "AMD", "language_code":
            "en", "country_code": "US"});


            const response = await
            fetch(`https://api.keyapi.ai/v1/youtube/search_channel?${params}`, {
              method: 'GET',
              headers: { 'Authorization': 'Bearer <YOUR_API_KEY>' }
            });

            const data = await response.json();

            console.log(data);
components:
  securitySchemes:
    JWT Bearer:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: |-
        接口鉴权凭证。请在请求 Header 中传入 `Authorization: Bearer <YOUR_API_KEY>`。
        可在 [Dashboard](https://keyapi.ai/app/dashboard) 获取你的 API Key。

````