No more double bookings - ever. Connect Booking.com, Airbnb, Expedia and 100+ channels. Availability and prices sync in real time, automatically.
1,700+ properties • No commitment • Demo - 30 min
CONNECT YOUR PROPERTY WITH LEADING PLATFORMS
A Channel Manager is software that automatically synchronizes availability, rates and bookings across all OTA channels such as Booking.com, Airbnb, Expedia and others. Synchronization happens in real time, from one place. Every time a guest books through one OTA channel, the Channel Manager instantly closes those dates on all other channels. No manual entry, no overbooking.
Set rates and availability in one step
Through the Channel Manager, not on each portal separately.
A guest books through any OTA channel
Booking.com, Airbnb, Expedia or directly - it does not matter.
The Channel Manager receives the booking and syncs all channels
Availability is automatically closed on all other portals within seconds.
Rates, discounts, and restrictions update everywhere at once
Minimum stay, last-minute discounts, date blocking - set once, automatically applied across all channels.
DO ANY OF THESE SOUND FAMILIAR?
Every day you spend manually updating availability is a day you are not spending growing your business.
A guest confirms a booking on Booking.com, another guest books the same dates on Airbnb. Apologies, overbooking, bad reviews. A nightmare that can be prevented.
Every change in rates or availability means logging into 5 platforms, manual input, and checks. You repeat the same work every day and still make mistakes.
When a room or a vacation rental is available but not visible across all channels, you earn less than you should. Every day without synchronization costs you money.
Connect all OTA channels in one place. Every booking and every rate change is synced automatically in real time, without your manual intervention.
Channel Manager - live sync
0
Connected OTA channels
2s
Average sync speed
Result
Owners save 8+ hours per week thanks to automatic synchronization across all channels.
Availability and rates are updated across all channels within seconds.
Booking.com, Airbnb, Expedia, Agoda, and 100+ more.
It is not just a Channel Manager, it is part of a complete property management system.
Everything under control from your phone, 24/7, from anywhere.
HOW DOES IT WORK?
No complex migrations. No need to hire developers. Just connect, configure, and everything runs automatically.
Connect Booking.com, Airbnb, Expedia, and 100+ OTA channels in one click. Our team helps you set up the Channel Manager.
Fast onboarding
Define rates, availability, and restrictions in the Rentlio calendar. Every change is automatically synchronized to all channels within seconds.
Sync in one second
All bookings automatically block dates across all channels. No booking overlaps. No manual entry. 24/7 automation.
0 booking overlaps
CONNECT YOUR PROPERTY WITH LEADING PLATFORMS
WHAT DO YOU GET?
Rentlio is not just for syncing units, rates and availability. It is a platform that helps you earn more with less effort and more automation.
Every booking automatically blocks dates across all channels within seconds. No waiting, no manual input.
Set pricing rules and Rentlio applies them automatically by channel, season, and occupancy. Earn more without constant manual work.
Manage all channels, bookings and prices from your phone. At the beach, on the road, anywhere.
Accept direct bookings without OTA commissions. Your own website, your revenue.
One vacation rental, a villa with 10 units, a hotel with 50 rooms or multiple properties - we cover them all.
TAILORED FOR YOU
Whether you manage one vacation rental or a network of hotels, we have the right solution.
RESULTS THAT SPEAK FOR THEMSELVES
Real results from users who switched to automated channel management.
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accommodation properties
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OTA integrations
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years in hospitality
★★★★★
For me, as a sales director, it was crucial that rate updates happen in seconds. With every change, I know OTA channels are synced instantly - with no worry about overlaps.
Domagoj Dujić
Co-owner, Manda Heritage Hotel - Rentlio Pro
★★★★★
Rentlio is simple and intuitive to use. I credit its excellent UX and UI, which is the best among all Channel Manager and PMS tools we have used so far.
Kristina Kamberi
Sales Manager, Hotel Majer'ca - Rentlio Pro
★★★★★
The software is very easy to use, and beyond collecting bookings from multiple channels in one place, it offers features that help manage properties and maximize profit.
Boris Miodrag
CEO, Sun Spalato - Rentlio Plus
★★★★★
Rentlio Channel Manager and channel synchronization are essential to prevent overlapping reservations and reduce manual work for staff.
Martina L.
Property owner - Rentlio One
★★★★★
Rentlio Channel Manager and channel synchronization are essential to prevent overlapping reservations and reduce manual work for staff.
Goran Novak
Owner, Mostar Property Management - Rentlio Plus
★★★★★
With Rentlio, we manage reservations for our 3 apartments across different sales channels. I have used Rentlio for 4 years and cannot imagine doing this manually.
Mirjana N.
Property owner - Rentlio One
Frequently asked questions
A Channel Manager is software that automatically synchronizes availability, rates, and reservations across OTA channels such as Booking.com, Airbnb, Expedia, and others. Synchronization happens in real time from one place. Every time a guest books your property on one portal, the Channel Manager instantly closes those dates on all other channels. No manual input, no overbooking.
A Channel Manager is needed by anyone listing accommodation on more than one online portal - from owners of a single apartment and hotels to property management companies with dozens of units. It is especially important if you manage multiple properties or receive bookings through 3 or more channels.
Yes, even for one unit. If you list on Booking.com and Airbnb at the same time, without a Channel Manager you are exposed to overbooking risk. Manually closing calendars on two portals can take up to 15 minutes, which is enough time for a double booking to happen. Owners with one unit who use a Channel Manager report on average 20-30% higher occupancy thanks to multi-channel presence without extra effort. (based on internal Rentlio data, 2025)
Overbooking happens when the same accommodation is booked twice for the same dates, most often because calendars on different portals were not synchronized in time. A Channel Manager prevents overbooking through real-time synchronization: as soon as a booking arrives from one portal, all other platforms automatically block the same dates within seconds.
A Channel Manager is not only protection against overbooking, it is also a revenue growth tool. It enables rate management from one place (change once, update everywhere), dynamic pricing by season and weekdays, higher occupancy through multi-portal visibility, 5-10 hours saved per week, and elimination of manual entry errors.
The most important criteria for the Croatian market are sync speed (API, not iCal), local-language support, eVisitor integration (a legal requirement for all short-term rental providers in Croatia), number of supported portals, and ease of use. Rentlio Channel Manager provides local support with response times under 2 minutes, and eVisitor integration is built into the system.
For apartment owners and smaller PMCs, onboarding takes on average 24 to 48 hours. Hotels become fully operational within a few days. Our team helps you every step of the way, from first integration to your first live day.
Migration is simple and without business interruption. Rentlio has a structured onboarding process. Data is transferred, channels are reconnected, and you continue working normally. There are no "dark days" without synchronization.
Rentlio is a complete AI powered cloud hospitality tech system: Channel Manager + PMS (property management) + Booking Engine (direct bookings), with optional expansion into payments (Rentlio Pay) and BI analytics for hotel users. You can use only what you need.
Yes. In addition to global OTAs, we support regional platforms relevant to the Croatian and Slovenian markets. Our support is local and understands the specifics of local tourism - you are not just another ticket in a global system.
iCal is a basic synchronization method that updates calendars every few hours. It is not real-time and increases overbooking risk. API (Two-way API) is advanced synchronization that transfers availability, rates, and reservations almost instantly, within seconds. Rentlio Channel Manager uses API integrations with leading portals, which means maximum accuracy and minimal overbooking risk.
A Channel Manager handles distribution, meaning synchronization of availability and rates between your OTA portals and system. A PMS (Property Management System) is the central business management tool - reservations, check-in, invoicing, analytics, and guest communication. Rentlio includes both in one product. There is no need for separate tools or additional integrations.
Comparisons
The differences that matter when choosing a property management solution.
| Situation | Without Channel Manager | With Rentlio Channel Manager |
|---|---|---|
| New booking received | Manual closing across all portals (5-15 min) | Automatically, within 1-2 seconds |
| Rate change | Log in to each portal separately | Set once, applied everywhere |
| Overbooking risk | High - every missed step results in booking overlaps | Practically impossible with API sync |
| Channel presence | Usually 2-3 portals (as many as you can manually update) | 100+ channels simultaneously |
| Manage from smartphone | Opening each app separately | One app, everything under control |
Both methods synchronize calendars, but there are key differences in speed and reliability.
| Feature | iCal | Two-way API |
|---|---|---|
| Sync speed | 15-30 minutes (polling interval) | 1-2 seconds (instant push) |
| What gets synchronized | Availability only (calendar) | Availability, rates, and reservations |
| Overbooking risk | High - there is a "blind zone" of 15-30 min | Minimal |
| Automatic rate updates | No | Yes |
| Reliability | Moderate - depends on the server sending the feed | High - direct OTA system connection |
| Used by Rentlio? | Only if an OTA does not offer API | Yes - for all major OTA channels |
Many hosts mix up these two tools. Here is the clear difference.
| Function | Channel Manager | PMS | Rentlio (both) |
|---|---|---|---|
| OTA channel synchronization | ✓ | – | ✓ |
| Bookings management | – | ✓ | ✓ |
| Check-in / check-out | – | ✓ | ✓ |
| Invoicing | – | ✓ | ✓ |
| Direct bookings (Booking Engine) | – | Optional | ✓ built-in |
| Statistics and reports | – | ✓ | ✓ |
Rentlio includes Channel Manager, PMS and Booking Engine in one product - no need for separate subscriptions.
BOOK A MEETING
We will show you how Rentlio can speed up and automate processes for your property type. No commitment.