...
In HostBill you can provide links to direct product purchase - even for hidden products! Direct cart links can be found in each product configuration, as described in Configuring_productsProducts & Services
If you wish to provide more complex cart configurations with simple single URL, you can simply generate it with this plugin : http://blog.hostbillapp.com/
...
If you run multilingual website you may want to have different order/clientarea link for each language you use - its surely possible with HostBill: Languages: Change _ language _ in _ URL
Change currency in URL
...
Learn how to change currency in URL for multi-currency orders: Currency: Change _ Currency _ in _ URL