Had a look at their documentation and it seems that in PHP, we cant do all request via the REST service.
For example:
I could fetch flights by REST (Instaflights Search)
But when I want to book something, I need to jump into SOAP (Book Air Segment)
I would prefer to do everything in REST rather than SOAP or half and half.
Is this the right way to create a booking engine? Or I am missing something?
Sabre is working on developing REST Booking API. At this moment only available using SOAP technology.