---
title: Reference
description: Open the right lookup page when you need exact config fields, CLI flags, or HTTP routes.
---

<CardGroup cols={2}>
  <Card title="docs.json" icon="file-code" href="/reference/docs-json">
    When you need types, defaults, or valid values for a docs.json field.
  </Card>
  <Card title="Page frontmatter" icon="file-lines" href="/reference/page-frontmatter">
    When you need to set title, SEO, redirects, or footer navigation for one page.
  </Card>
  <Card title="CLI" icon="terminal" href="/reference/cli">
    When you need exact command syntax, flags, or exit codes for @docs.page/cli.
  </Card>
  <Card title="HTTP endpoints" icon="globe" href="/reference/http-endpoints">
    When you need published URL patterns, search.json shape, or platform API routes.
  </Card>
</CardGroup>

Workflow guides live on [Documentation](/authoring/write). Capability explanations live on [Features](/features).

## See also

- [Features](/features): what each capability does and how it behaves
- [Components](/components): built-in MDX component props and syntax
- [Write](/authoring/write): structure pages, links, and media