This article explains the BestCamp link.
BestCamp is a direct pull link. This means that they retrieve the data from Booking Experts. In addition, reservations are shot directly into the reservation system.
BestCamp synchronizes 'price availability'. This is a price for a type for a specific period of time. This creates the cache for all possible stays. A visitor can only choose dates for which there is also price + availability. BestCamp synchronizes prices and availability once every 24 hours (starts at 6am). The prices are shown by BestCamp including the mandatory costs. This is the price that is closest to the price the visitor will pay, since the cached prices are displayed directly on the website. BestCamp requests the optional costs from us as soon as the visitor enters the booking process.