The Query Payment Information API (PaymentQueryRQ) is used to retrieve a form of payment by Station ID,  directory, payment details with reference details (like paymentref, pnr locator, and document number), payment installment options details, and payment electronic receipt voucher details.

The Remote Payment API (ePaymentRQ) is used to allow customers to pay for bookings using 3rd party external vendor payment methods (e.g. Western Union).

The Retrieve Flight Details (InventoryControlFlightDisplayRQ) API is used to retrieve the details of flight data such as authorizations, seats sold, seats available, segment limit sales, etc.

The Schedule Snapshot (InventoryFlightScheduleDump) API (flat file feed) is used to send the details of each flight schedule.

The Select Or Change Seat (SelectSeatRQ) API is a SabreSonic Check-In service used to assign seats or change seat assignments.

The Show Inventory For Flight (DisplayInventoryRecordLLSRQ) web service is used to display inventory availability for a specific flight number.

The Update Inventory Controls (InventoryControlFlightUpdate) API is used to update the Inventory controls for a flight date.

The Update Travel Bank Balance (UpdateTravelBankPaymentRQ) web service allows an account balance to be modified by adding or deducting points.

The Yields (SSI_Fares_Interface) flat file feed is used to send the yields to Inventory.