<script async
  src="https://js.stripe.com/v3/buy-button.js">
</script>

<stripe-buy-button
  buy-button-id="buy_btn_1QMIwhI7K7bxevHbFhb0aNLb"
  publishable-key="pk_live_51QHG4KI7K7bxevHbgUNSN48AbTQVXZbSTmg4UfwZPkdVIsIEHsPKpugAIZcXnYimKvTKf9f0JxgRJWQ9lGBPuxQC00aXHLLXet"
>
</stripe-buy-button>