The Basic Fare Shop (BargainFinderPlusLLSRQ) service is used to search for lower fares on an existing itinerary as well as other flights that serve the same routing.

The Book Car Reservation (OTA_VehResLLSRQ) API is used to reserve one or more rental cars.

The Book Hotel Reservation (OTA_HotelResLLSRQ) API is used to reserve one or more hotel rooms and create a hotel segment in a passenger name record (PNR).

The Bargain Finder Max Branded Fares (BargainFinderMax_BFRQ) API is used to search for and compare the lowest available priced itineraries across multiple brands for a specific airline and date.

The Car Availability (OTA_VehAvailRateLLSRQ) API is used to search for rates and shop for car rentals across 40,000 rental locations and ~40 car suppliers worldwide.

The Car Location Details (OTA_VehLocDetailLLSRQ) is used to request detailed information about a specific car rental location based on city code, vendor code, or both, and via specify pickup/drop off times.

The Car Locations (VehLocationFinderLLSRQ) is used to search for vehicles which they are using for other options apart from an airport code.  

The Car Locations By Airport City (VehLocationListLLSRQ) is used to display locations of car rental vendors for a specific airport or city code for vendor coded to the specific input airport code, such as LAX, LHR, JFK, etc.

The Car Rate Code Rules (VehRateRulesLLSRQ) API is used to display the rules for a vehicle rental rate code.  

The Car Rates Non Airport (VehQuoteLocationListLLSRQ) API is used to request a non-airport car quote.

The Get Vehicle Availability API (GetVehAvailRQ) is used to request information regarding car rental location(s), available car types at the location(s), and the rates of those cars.