Code & setup

1// app/api/stripe/route.ts
2import { headers } from 'next/headers';
3import Stripe from 'stripe';
4
5const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!);
6
7export async function POST(req: Request) {
8  const body = await req.text();
9  const sig = headers().get('stripe-signature')!;
10
11  let event: Stripe.Event;
12  try {
13    // Verifies the Whookhound-resigned signature with your destination secret.
14    event = stripe.webhooks.constructEvent(body, sig, process.env.WHOOKHOUND_SECRET!);
15  } catch (err) {
16    return new Response(`Webhook error: ${(err as Error).message}`, { status: 400 });
17  }
18
19  switch (event.type) {
20    case 'checkout.session.completed':
21      // ...your logic
22      break;
23    case 'customer.subscription.updated':
24      // ...your logic
25      break;
26  }
27  return Response.json({ received: true });
28}