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1import { NextResponse } from "next/server"
2import { stripe } from "@/lib/stripe"
+import { z } from "zod"
+import { rateLimit } from "@/lib/rate-limit"
5 
+const Body = z.object({
+  items: z.array(z.any()).min(1),
+})
9 
10export async function POST(req: Request) {
+  const { ok } = await rateLimit(req)
+  if (!ok) return NextResponse.json({ error: "Slow down" }, { status: 429 })
13  const json = await req.json()
+  const { items } = Body.parse(json)
15 
16  const session = await stripe.checkout.sessions.create({
17    line_items: items, mode: "payment",
18  })
19  return NextResponse.json({ url: session.url })
20}