Google Travel Impact Model https://travelimpactmodel.googleapis.com/v1

X-Goog-Api-Key

${API_KEY} { "flightSegments": [ #for leg in request.legs { "departureAirport": { "code": "${leg.origin_iata}" }, "arrivalAirport": { "code": "${leg.destination_iata}" } }#sep, #end ], "cabinClass": "${request.cabin_class}", "passengerCount": ${request.passengers} }