code: public CardDetails details(Map<String, Object> params, RequestOptions options)
        throws StripeException {
      String url =
          String.format(
              "%s%s",
              Stripe.getApiBase(),
              String.format("/v1/issuing/cards/%s/details", ApiResource.urlEncodeId(this.getId())));
      return request(ApiResource.RequestMethod.GET, url, params, CardDetails.class, options);
    }
docs: For virtual cards only. Retrieves an Issuing <code>Card_details</code> object that contains <a
  href="/docs/issuing/cards/management#virtual-card-info">the sensitive details</a> of a virtual
  card.