Technical Overview

Service

The ARI Update Service provides four primary operations:

1. List of Properties:

   • Request: HotelPropertyListGetRQ

   • Response: HotelPropertyListGetRS

2. List of Products:

   • Request: HotelProductListGetRQ

   • Response: HotelProductListGetRS

3. Fetch ARI Information:

   • Request: HotelARIGetRQ

   • Response: HotelARIGetRS

4. Update ARI Information:

   • Request: HotelARIUpdateRQ

   • Response: HotelARIUpdateRS

Communication Protocols

• Method: HTTP POST is used for the requested operations.

• Request and Response Format: Each operation involves posting the appropriate request XML data, and the OTA returns the desired response XML data.

• HTTP Content Type: text/xml

  • Example HTTP header:

Content-Type: text/xml; charset=utf-8

Authentication

• Implementation: Authentication and authorization are both implemented using common credentials. See Hotel Authorization below for details.

Reliability Mechanisms and Constraints

• Property List Message: Only one hotel can be specified in a request or response message, except for the Property List message.

• Volume of Messages: Due to the high volume of messages exchanged between DirectConnect and the OTA, the mechanisms and constraints described in Table B must be implemented.

Type	Mechanism/Constraint	Description
Retry	Retry strategy for communication failure and in case of specific errors returned in XML response	The DirectConnect and OTA will have a retry mechanism in place for communication errors and business error.
Concurrency	Simultaneous connections per property Can be multithread	DirectConnect interface will establish multiple connections per Property for different room type at any given time for updating the ARI events.
Timeout	Time out after 60,000 milliseconds (1 minute)	Idle connections (no packets sent by either side) for more than 1 minute should be closed.
Character Set	Support for UTF-8	All messages exchanged must have UTF-8 encoding
Date Range	366 days	Maximum number of days that a single request message could update must not exceed 366 days.
Message Size	2 MB	Maximum size for a single message must not exceed 2 MB.

Supported Restrictions and Occupancies

Channel Manager Attribute	Attribute Type	Data Type	XML Attribute	Description
Allocation	Settings	Integer	TransientAllotment	Number of rooms available to sellable
Available	Settings	Boolean	Master	Also known as Stopsell, ClosedOut or Availability. Denotes if Room is open or closed to sell
CTA	Restrictions	Boolean	Arrival	Closed to arrival. Room cannot booked if CTA is ON for a checking date
CTD	Restrictions	Boolean	Departure	Closed to departure. Room cannot booked if CTD is ON for a checkout date
FreeSale	Settings	Boolean	FreeSale	Unlimited number of rooms. No restrictions for restrictive units
MinLOS	Restrictions	Integer	MinLoSOnArrival	Minimum number of nights required to book a room w.r.t. check-in date
MinLOSThrough	Restrictions	Integer	MinLoSThrough	Minimum number of nights required to book a room w.r.t. complete stay dates
MaxLOS	Restrictions	Integer	MaxLoSOnArrival	Maximum number of nights required to book a room w.r.t. check-in date
MaxLOSThrough	Restrictions	Integer	MaxLoSThrough	Maximum number of nights required to book a room w.r.t. complete stay dates
MinAdvancePurchase	Restrictions	Integer	MinAdvancedBookingOffset	Minimum no. of days in advance a room can be booked
MaxAdvancePurchase	Restrictions	Integer	MaxAdvancedBookingOffset	Maximum no. of days in advance a room can be booked.
1Adult	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="A1"	Nightly rates of pax=[1Adult] for given room-rate combination
2Adult	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="A2"	Nightly rates of pax=[2Adult] for given room-rate combination
3Adult	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="A3"	Nightly rates of pax=[3Adult] for given room-rate combination
4Adult	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="A4"	Nightly rates of pax=[4Adult] for given room-rate combination
5Adult	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="A5"	Nightly rates of pax=[5Adult] for given room-rate
6Adult	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="A6"	Nightly rates of pax=[6Adult] for given room-rate combination
7Adult	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="A7"	Nightly rates of pax=[7Adult] for given room-rate combination
8Adult	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="A8"	Nightly rates of pax=[8Adult] for given room-rate combination
9Adult	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="A9"	Nightly rates of pax=[9Adult] for given room-rate combination
10Adult	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="A10"	Nightly rates of pax=[10Adult] for given room-rate combination
1Child	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="C1"	Nightly rates of pax=[1Child] for given room-rate combination
2Child	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="C2"	Nightly rates of pax=[2Child] for given room-rate combination
3Child	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="C3"	Nightly rates of pax=[3Child] for given room-rate combination
4Child	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="C4"	Nightly rates of pax=[4Child] for given room-rate combination
5Child	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="C5"	Nightly rates of pax=[5Child] for given room-rate combination
AdditionalAdult / ExtraAdult	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="AA"	Nightly rates of pax=[AdditionalAdult] for given room-rate combination
AdditionaChild / ExtraChild	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="AC"	Nightly rates of pax=[AdditionalAdult] for given room-rate combination
RoomPrice	Occupancy based Pricing (OPB)	Decimal	Base Amount OccupancyCode="SR"	Nightly rates of complete room for given room-rate combination