What Channel manager means
A hotel that sells on several websites faces a simple problem: every time a room is sold on one channel, the remaining rooms on all the others must drop by one. Doing that by hand across a dozen extranets is slow and error-prone, and a missed update leads to an overbooking.
A channel manager solves this by holding the hotel's ARI centrally. Rates are prices per room type and rate plan, availability covers open and closed dates and restrictions such as minimum stay, and inventory is the count of rooms for sale. When the hotel changes a rate, or a booking reduces inventory, the channel manager pushes the update to every connected channel.
Connections are usually two-way. ARI flows out to channels, and reservations, modifications and cancellations flow back. A link to the PMS means bookings land in the hotel's operational system without re-keying, and inventory changes at the front desk are reflected online.
Channel managers commonly connect to OTAs, bedbanks, metasearch engines and, sometimes, the GDS. Many of these messages are based on OpenTravel Alliance formats; Google's hotel ARI interface, for example, uses OpenTravel-style messages for rates, availability and inventory.
How Channel manager works
A channel manager acts as a hub between the hotel's own systems and each sales channel.
- Map rooms and ratesEach room type and rate plan in the hotel's system is matched to the equivalent code on every connected channel.
- Set ARI centrallyRevenue staff update prices, restrictions and room counts once, either in the channel manager or in the PMS that feeds it.
- Push updates to channelsThe channel manager sends rate, availability and inventory messages to each OTA, bedbank or metasearch partner, ideally within seconds.
- Receive bookingsReservations, changes and cancellations from channels flow back to the channel manager and on to the PMS.
- Recalculate inventoryEach booking reduces available rooms, and the new count is pushed to all channels to prevent the same room being sold twice.
Channel manager in practice
Illustrative example: a 60-room hotel in Muscat sells on two global OTAs, one regional OTA, a bedbank and its own website. At 10:02 a guest books the last sea-view double on one OTA. The PMS records the booking, the channel manager drops sea-view inventory to zero, and within moments that room type shows as sold out on every other channel.
Message example: in OpenTravel-style ARI interfaces, separate messages handle each element. Google's ARI documentation lists OTA_HotelRateAmountNotifRQ for rates, OTA_HotelAvailNotifRQ for availability and restrictions, and OTA_HotelInvCountNotifRQ for room counts. Channel managers send equivalent messages to their connected partners.
Who uses it
Advantages and limitations
Advantages
- Real-time inventory updates reduce the risk of overbookings across channels.
- Staff change rates and restrictions once instead of logging into each extranet.
- Hotels can add or remove channels quickly to test new markets.
- Consistent pricing across channels supports rate parity and guest trust.
Limitations
- Room and rate mapping errors can send wrong prices or room types to a channel, sometimes unnoticed for days.
- Some channels support only one-way updates or limited restrictions, so not every rule can be distributed everywhere.
- The channel manager cannot stop downstream resellers of bedbank rates from undercutting the hotel's prices.
- Monthly fees and per-channel charges add up for small properties with few bookings.
Frequently asked questions about Channel manager
What is the difference between a channel manager and a PMS?
A PMS runs the hotel's operations: reservations, check-in, room status, housekeeping and billing. A channel manager handles distribution, sending rates and availability to online channels and bringing their bookings in. Many hotels connect the two, and some vendors sell them as one package.
What does ARI mean in hotel distribution?
ARI stands for availability, rates and inventory. Availability covers whether a room type can be booked on a date and any restrictions, rates are the prices per rate plan, and inventory is the number of rooms left to sell. Channel managers distribute ARI to sales channels.
Does a channel manager prevent overbookings completely?
It greatly reduces them but cannot rule them out. Delays in a channel processing an update, mapping mistakes, or two bookings arriving almost simultaneously for the last room can still cause an overbooking. Hotels often keep a small buffer on high-demand dates as extra protection.
Can a channel manager connect a hotel to the GDS?
Some can, usually through a partner that provides GDS connectivity and hotel chain codes. This lets travel agents and corporate booking tools see and book the hotel. Not all channel managers include GDS access, and the GDS route often carries extra fees.
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