Embed SDK

<!-- Finvex Drop-in Checkout -->
<script src="https://js.finvexpay.com/v1/checkout.js"></script>

<button id="pay-btn">Pay ₹999</button>

<script>
  const finvex = Finvex('finvex_test_YOUR_KEY_ID')

  document.getElementById('pay-btn').onclick = async () => {
    const order = await fetch('/create-order', { method: 'POST' }).then(r => r.json())

    finvex.checkout({
      order_id: order.id,
      amount: order.amount,
      currency: 'INR',
      name: 'Your Product',
      description: 'Order description',
      prefill: {
        name: 'Customer Name',
        email: 'customer@email.com',
        contact: '+919876543210'
      },
      theme: { color: '#2563EB' },
      handler: (response) => {
        // Payment successful — verify on your backend
        verifyPayment(response.payment_id)
      }
    })
  }
</script>