code: public ShippingAddress createShippingAddress(final String accountCode, final ShippingAddress shippingAddress) {
          return doPOST(Accounts.ACCOUNTS_RESOURCE + "/" + accountCode + ShippingAddresses.SHIPPING_ADDRESSES_RESOURCE, shippingAddress,
                  ShippingAddress.class);
      }
docs: Create a shipping address on an existing account
  <p>
  
  @param accountCode recurly account id
  @param shippingAddress the shipping address request data
  @return the newly created shipping address on success