You can now pay with any altcoin that ShapeShift.io offers.

As of this date that is 36 altcoins.

How to pay with altcoins using ShapeShift:

* During checkout, place order with bitcoin as payment currency.

* On the payment page, click “Pay with Altcoins”.

* Chose which altcoin you want to pay with and click submit.

* Send the amount requested to the deposit address.

Order will complete when payment is received from ShapeShift.