next.js/docs/02-app/02-api-reference/04-functions/cookies.mdx

---
title: cookies
description: API Reference for the cookies function.
related:
  title: Next Steps
  description: For more information on what to do next, we recommend the following sections
  links:
    - app/building-your-application/data-fetching/server-actions-and-mutations
---

The `cookies` function allows you to read the HTTP incoming request cookies from a [Server Component](/docs/app/building-your-application/rendering/server-components) or write outgoing request cookies in a [Server Action](/docs/app/building-your-application/data-fetching/server-actions-and-mutations) or [Route Handler](/docs/app/building-your-application/routing/route-handlers).

> **Good to know**: `cookies()` is a **[Dynamic Function](/docs/app/building-your-application/rendering/server-components#server-rendering-strategies#dynamic-functions)** whose returned values cannot be known ahead of time. Using it in a layout or page will opt a route into **[dynamic rendering](/docs/app/building-your-application/rendering/server-components#dynamic-rendering)** at request time.

## `cookies().get(name)`

A method that takes a cookie name and returns an object with name and value. If a cookie with `name` isn't found, it returns `undefined`. If multiple cookies match, it will only return the first match.

```jsx filename="app/page.js"
import { cookies } from 'next/headers'

export default function Page() {
  const cookieStore = cookies()
  const theme = cookieStore.get('theme')
  return '...'
}
```

## `cookies().getAll()`

A method that is similar to `get`, but returns a list of all the cookies with a matching `name`. If `name` is unspecified, it returns all the available cookies.

```jsx filename="app/page.js"
import { cookies } from 'next/headers'

export default function Page() {
  const cookieStore = cookies()
  return cookieStore.getAll().map((cookie) => (
    <div key={cookie.name}>
      <p>Name: {cookie.name}</p>
      <p>Value: {cookie.value}</p>
    </div>
  ))
}
```

## `cookies().has(name)`

A method that takes a cookie name and returns a `boolean` based on if the cookie exists (`true`) or not (`false`).

```jsx filename="app/page.js"
import { cookies } from 'next/headers'

export default function Page() {
  const cookieStore = cookies()
  const hasCookie = cookieStore.has('theme')
  return '...'
}
```

## `cookies().set(name, value, options)`

A method that takes a cookie name, value, and options and sets the outgoing request cookie.

> **Good to know**: HTTP does not allow setting cookies after streaming starts, so you must use `.set()` in a [Server Action](/docs/app/building-your-application/data-fetching/server-actions-and-mutations) or [Route Handler](/docs/app/building-your-application/routing/route-handlers).

```js filename="app/actions.js"
'use server'

import { cookies } from 'next/headers'

async function create(data) {
  cookies().set('name', 'lee')
  // or
  cookies().set('name', 'lee', { secure: true })
  // or
  cookies().set({
    name: 'name',
    value: 'lee',
    httpOnly: true,
    path: '/',
  })
}
```

## Deleting cookies

> **Good to know**: You can only delete cookies in a [Server Action](/docs/app/building-your-application/data-fetching/server-actions-and-mutations) or [Route Handler](/docs/app/building-your-application/routing/route-handlers).

There are several options for deleting a cookie:

### `cookies().delete(name)`

You can explicitly delete a cookie with a given name.

```js filename="app/actions.js"
'use server'

import { cookies } from 'next/headers'

async function delete(data) {
  cookies().delete('name')
}
```

### `cookies().set(name, '')`

Alternatively, you can set a new cookie with the same name and an empty value.

```js filename="app/actions.js"
'use server'

import { cookies } from 'next/headers'

async function delete(data) {
  cookies().set('name', '')
}
```

> **Good to know**: `.set()` is only available in a [Server Action](/docs/app/building-your-application/data-fetching/server-actions-and-mutations) or [Route Handler](/docs/app/building-your-application/routing/route-handlers).

### `cookies().set(name, value, { maxAge: 0 })`

Setting `maxAge` to 0 will immediately expire a cookie.

```js filename="app/actions.js"
'use server'

import { cookies } from 'next/headers'

async function delete(data) {
  cookies().set('name', 'value', { maxAge: 0 })
}
```

### `cookies().set(name, value, { expires: timestamp })`

Setting `expires` to any value in the past will immediately expire a cookie.

```js filename="app/actions.js"
'use server'

import { cookies } from 'next/headers'

async function delete(data) {
  const oneDay = 24 * 60 * 60 * 1000
  cookies().set('name', 'value', { expires: Date.now() - oneDay })
}
```

> **Good to know**: You can only delete cookies that belong to the same domain from which `.set()` is called. Additionally, the code must be executed on the same protocol (HTTP or HTTPS) as the cookie you want to delete.

## Version History

| Version   | Changes               |
| --------- | --------------------- |
| `v13.0.0` | `cookies` introduced. |