payment.initialized: Payment Session Created Event

app.post("/webhooks/vtpe", (req, res) => {
  // Signature verification omitted for brevity — see Webhook Security guide
  const { event, data } = req.body;

  if (event === "payment.initialized") {
    // Create a pending payment record
    await db.createPendingPayment({
      paymentId: data.paymentId,
      reference: data.reference,
      amount: data.amount,
      currency: data.currency,
      status: "pending"
    });
  }

  return res.status(200).json({ success: true });
});

@app.route("/webhooks/vtpe", methods=["POST"])
def handle_webhook():
    # Signature verification omitted for brevity — see Webhook Security guide
    payload = request.get_json()
    event = payload["event"]
    data = payload["data"]

    if event == "payment.initialized":
        db.create_pending_payment(
            payment_id=data["paymentId"],
            reference=data["reference"],
            amount=data["amount"],
            currency=data["currency"],
            status="pending"
        )

    return jsonify({"success": True}), 200