Integration with Booking.com

I own and run a fleet of 15 car rental business in Malaysia. I've a woo-commerce store which has listings of the car available and customers make booking via whatsapp. I want to be a car Supplier vendor for booking.com and for that I need an API/XML to connect. -How to go about to solve this problem - Do I need an Car Rental Management Software? If yes, what would suit? - What do you need me to get this done? -What changes I need to make on website for this? - Budget and timelines for this task Send the proper RFP with previous case studies for similar work.