Function createCheckoutSession

src/pages/api/create-checkout-session.ts:12–43

(req: NextApiRequest, res: NextApiResponse)

const { type } = StripeConfig as { type: 'payment' | 'subscription' };

const createCheckoutSession = async (req: NextApiRequest, res: NextApiResponse) => {
  if (req.method !== 'POST') {
    res.setHeader('Allow', 'POST');
    return res.status(405).end('Method Not Allowed');
  }

  const { priceId } = req.body;

  if (!priceId) {
    return res.status(400).json({ error: 'Price ID is required' });
  }

  try {
    const session = await stripe.checkout.sessions.create({
      payment_method_types: ['card'],
      line_items: [
        {
          price: priceId,
          quantity: 1,
        },
      ],
      mode: type,
      success_url: `${req.headers.origin}/success?session_id={CHECKOUT_SESSION_ID}`,
      cancel_url: `${req.headers.origin}`,
    });

    return res.status(200).json({ sessionId: session.id });
  } catch (error) {
    console.error('Error creating checkout session:', error);
    return res.status(500).json({ error: 'Internal Server Error' });
  }
};

export default createCheckoutSession;