healthchecks/templates/payments/payment_method.html

{% if sub.pm_is_card %}
    <img src="{{ pm.image_url }}" height="30" /> <span class="masked_number">{{ pm.masked_number }}</span>
    {% if pm.expired %}
        <span class="text-danger">(expired)</span>
    {% endif %}
{% endif %}

{% if sub.pm_is_paypal %}
    <img src="{{ pm.image_url }}" height="30" /> {{ pm.email }}
{% endif %}

{% if sub.subscription_id %}
<input type="hidden" id="nbd" value="{{ sub.next_billing_date }}" />
{% endif %}