The Access Queue (QueueAccessLLSRQ) API is used to access a designated queue or to navigate within the particular queue.

The Air Availability (OTA_AirAvailLLSRQ) API is used to search for flights and the corresponding class availability information for a given origin, destination, and travel date.

The Air Fare By City Pairs (FareLLSRQ) API is used to search for fares associated with particular markets.

The Air Fare Rules (OTA_AirRulesLLSRQ) API is used to display Air Fare Rules based on city pair, fare basis code, and carrier code.

The Air Fare Rules From Price (PO_RulesFromPriceRQ) API supports the fare and rule display of fares from the response of No PNR Pricing.

The Calculate Air Tax for Itinerary (OTA_AirTaxRQ) API is used to calculate applicable taxes for one or more air travel itineraries, and for one or more passenger types on each itinerary.

The Delete Price Quote (DeletePriceQuoteLLSRQ) API is used to delete price quote records.

The Display Price Quote (DisplayPriceQuoteLLSRQ) API is used to display stored fare information contained within a passenger name record (PNR).

The Fare Rules From Air Price (RulesFromPriceLLSRQ) is used to retrieve fare rule information from a pricing response.

The Flight Schedules (OTA_AirScheduleLLSRQ) service is used to ask for scheduled flights regardless of availability for a given origin, destination and travel date.