For all official invoices, you need to contact either Paddle or FastSpring, whichever of our two official retailers charged your card/PayPal account.

You can get in touch with either of these companies via their web sites:

Paddle - appears on card statement as PADDLE.NET* SITEARROW:
You can request a full invoice history to your email here: https://sitearrow.com/paddleinvoice.php

FastSpring - appears on card statement as FS* SITEARROW:
https://questionacharge.com