How does airline distribution work?. GDS APIs for full booking capabilities: Amadeus, Sabre, Travelport, and others. Amadeus APIs. Pyton Flight Portal API. Sabre APIs. Travelport API. Mystifly API. KIU API. Sirena-Travel API. TravelSky API. Infini API. Tech service provider APIs for flight booking: ATPCO, Orysis Infotech, eTravos, HitchHiker, and more. ATPCO API. Orysis Infotech Flight GDS and XML API Integration Service. eTravos Flight booking API. The HitchHiker Flight API. Tech service providers' APIs for flight information: SITA, Innovata, OAG, and more. SITA APIs. Innovata APIs. OAG APIs. FlightStats APIs. OpenFlights Airports Database API. FlightGlobal APIs. Metasearch and OTA APIs for smaller booking providers: Skyscanner, momondo, Kiwi and Travelfusion. Skyscanner APIs. Travelfusion APIs. Kiwi APIs. momondo API. Final word: What to consider before flight booking API integration?