Repository: vercel/next.js
Pull request: Update backend-for-frontend.mdx

Example function in [App Router > Guides > Backend For Frontend > Public Endpoints](https://nextjs.org/docs/app/guides/backend-for-frontend#public-endpoints) should be `async` (since using `await`)

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Changed files:
filename: docs/01-app/02-guides/backend-for-frontend.mdx
patch: @@ -51,7 +51,7 @@ Use `try/catch` blocks for operations that may throw an exception:
 ```ts filename="/app/api/route.ts" switcher
 import { submit } from '@/lib/submit'
 
-export function POST(request: Request) {
+export async function POST(request: Request) {
   try {
     await submit(request)
     return new Response(null, { status: 204 })
@@ -67,7 +67,7 @@ export function POST(request: Request) {
 ```js filename="/app/api/route.js" switcher
 import { submit } from '@/lib/submit'
 
-export function POST(request) {
+export async function POST(request) {
   try {
     await submit(request)
     return new Response(null, { status: 204 })