I want to Integrate Flight and Hotel APi in my booking Site

Hi,
I am looking to Integrate open source API in my booking website. I want Fight Plus hotel Booking API Integration.
Any one who has experience with any of the following shopuld bid
Travel Innovation Sandbox by Amadeus. Sandbox APIs include: flights, hotels, cars, trains, and points of interest. ...
API Explorer by Sabre. ...
Skyscanner API. ...
OpenSky API. ...
Booking.com API. ...
Expedia Rapid APIs. ...
Ticketmaster APIs.

Instructions to apply: Send only the website examples where you have open source API .Also please WRITE THE API NAME THAT YOU HAVE USED IN THAT .
WRITE FLIGHT ON TOP OF YOUR BID TO ENSURE ME THAT YOU BID AFTER READING THE DETAILS.
WITHOUT THAT YOUR BID WILL NOT BE CONSIDERED.