> For the complete documentation index, see [llms.txt](https://developers.oxylabs.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.oxylabs.io/products/cn/web-scraper-api/features/http-context-and-job-management.md).

# HTTP 上下文与任务管理

- [请求头、Cookie、请求方法](https://developers.oxylabs.io/products/cn/web-scraper-api/features/http-context-and-job-management/headers-cookies-method.md): 了解在使用网页爬虫API 抓取时如何自定义请求头、Cookie 或 HTTP 方法。
- [User-Agent 类型](https://developers.oxylabs.io/products/cn/web-scraper-api/features/http-context-and-job-management/user-agent-type.md): 从多个 User-Agent 预设中选择，以模拟不同设备发起抓取请求。
- [客户端备注](https://developers.oxylabs.io/products/cn/web-scraper-api/features/http-context-and-job-management/client-notes.md): 了解如何通过 v1/queries 端点提交任务时添加客户端节点。


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