Verotel FlexPay API allows dynamically set parameters for Verotel Order Pages. This is especially useful when integrating with eCommerce or other systems which use dynamic pricing.
Besides the already existing purchase sales, the new FlexPay API version 3 now offers a way to dynamically create subscriptions.
The main difference between purchases and subscriptions is that subscriptions have some duration – a time period – for which subscriptions are active while purchases are is just a simple one-off sales.