{"title":"Header - Liquid tag reference","slug":"header-tag-reference","url":"https://support.storeconnect.com/articles/header-tag-reference","url_markdown":"https://support.storeconnect.com/articles/header-tag-reference.md","subtitle":null,"summary":"The `header` simple tag sets HTTP response headers from within a Liquid template. Use it to control caching, content type, or custom headers returned to the browser.","type":"Developer_Documentation","video_url":"","keywords":"liquid, tags, header, simple tag, storeconnect","last_modified":"2026-08-21T07:12:35+0000","body_markdown":"The `header` simple tag sets HTTP response headers from within a Liquid template. Use it to control caching, content type, or custom headers returned to the browser.\n\n## Syntax\n\n\n```liquid\n\n{% header %}\n```\n\n\n| Property | Value |\n|----------|-------|\n| **Tag name** | `header` |\n| **Type** | Simple tag |\n| **Source** | Hydrofoil (core) |\n\n## Description\n\nThe `header` tag sets HTTP response headers from within a Liquid template. Use it to control caching, content type, or custom headers returned to the browser.\n\nFor detailed usage examples and configuration guidance, see [Liquid header tag](liquid-header-tag)."}