I own a hotel and had a look on booking.com for an API as I want to create my own front end interface to update my hotel room rates / numbers for some days. As well as upload pi
I don't think booking.com offers API suitable for your business case. They use various techniques to get you to their booking system (like booking.com buttons) but as far as I know there is no way for common user to automate XML uploads or downloads, to sync your reservation system with booking.com, etc.