---
title: API Reference
description: Next.js API Reference for the App Router.
url: "https://nextjs.org/docs/13/app/api-reference"
docs_index: /docs/13/llms.txt
lastUpdated: 2023-06-08
---

> For an index of all documentation, see [/docs/13/llms.txt](/docs/13/llms.txt).

The Next.js API reference is divided into the following sections:

- [Components](/docs/13/app/api-reference/components): API Reference for Next.js built-in components.
- [File Conventions](/docs/13/app/api-reference/file-conventions): API Reference for Next.js Special Files.
- [Functions](/docs/13/app/api-reference/functions): API Reference for Next.js Functions and Hooks.
- [next.config.js Options](/docs/13/app/api-reference/next-config-js): Learn how to configure your application with next.config.js.
- [create-next-app](/docs/13/app/api-reference/create-next-app): Create Next.js apps in one command with create-next-app.
- [Edge Runtime](/docs/13/app/api-reference/edge): API Reference for the Edge Runtime.
- [Next.js CLI](/docs/13/app/api-reference/next-cli): The Next.js CLI allows you to start, build, and export your application. Learn more about it here.

---

For a semantic overview of all documentation, see [/sitemap.md](/sitemap.md)

For an index of all available documentation, see [/docs/13/llms.txt](/docs/13/llms.txt)