The CancelReservations method provides the ability to send reservation cancellation requests.

The Cancel Reservations Notification method provides the ability to send cancellation notification requests.

The CreateReservations method provides the ability to send reservation requests to SynXis CR.

The Create Reservations Notification method is virtually identical to the Create Reservations method is used to include a confirmation number to identify the reservation, as well as the full details of the reservation. 

The Modify Reservation (OTA_HotelResModifyRQ) is used to enable modifications of previously booked reservations.

The Modify Reservation Notification(OTA_HotelResModifyNotifRQ) is used to enable modifications of a previously booked reservations.

The Read Reservations method using the OTA_ReadRQ message enables reservation records to be retrieved from the system by passing identifying information. If an exact reservation match is not found or a list is requested, the OTA_HotelResRS message is returned with a list of reservations.

The Verify Reservations (OTA_ReadRQ) is used to  enable reservations to be validated by passing certain identifying information.