import type { NextApiRequest, NextApiResponse } from "next"; export default function handler(req: NextApiRequest, res: NextApiResponse) { const country = req.headers["x-vercel-ip-country"] || "Unknown"; res.setHeader("Cache-Control", "public, max-age=3600, s-maxage=3600, stale-while-revalidate=86400"); res.status(200).json({ country }); }