arch-8.x-1.x-dev/modules/cart/templates/add-to-api-cart.html.twig

<div class="add-to-cart add-to-api-cart">
  {% if available_for_sell and has_price %}
    <a {{ attributes }}><i class="add-to-cart-icon"></i>{{ text }}<span {{ icon_attributes }}><i{{ throbber_attributes }}></i></span></a>
  {% else %}
    <span{{ attributes }}>{{ not_available_text }}</span>
  {% endif %}
</div>