// Create a payment intent
const response = await fetch('https://api.tryhandypay.com/v1/payments', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer hp_live_xxxxxxxxxxxxxxxx',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    amount: 5000, // $50.00 in cents
    currency: 'usd',
    description: 'Order #1234',
    customer_email: 'customer@example.com'
  })
});

const payment = await response.json();
// Redirect customer to payment.checkout_url