Rentals United Settings
Rentals United Settings

Specialist in accommodation booking for short and medium stays


Founded in 2003, Only-Apartments currently has over 125,000 apartments in 109 countries 

Benefits of connecting to Only-Apartments via Rentals United

Automatic Upload

Add new properties in just a few clicks

Automatic Update

Rates, availability, photos & property info synced

Advanced Options

2-Way sync, Markup, Price per Night and more

Service Features

  • We create new properties on Only-Apartments for you 
  • 2-Way Sync: a booking or a cancellation updates calendar everywhere
  • Full Connection: rates, availability and property information update

How it Works

  1. Upload your properties to Rentals United. Add them manually or via PMS/API sync. Go to Services and add Only-Apartments
  2. Follow the Checklist with detailed instructions. Create an account and sign your agreement with Only-Apartments
  3. Activate Connection. Your properties will be uploaded via API by Rentals United
  4. Your rates, calendars and property info, including photos and amenities, will update automatically

Key Info

CategoryVacation rental site
Service Release Date2003
Headquarter LocationBarcelona, es
Languages supported
N of Rentals United properties connected18000
Minimum properties required1
WebsiteVisit now
Pricing modelCommission based
Commission15% added on top of your pricing
What is syncedRates, Availability, Bookings, Photos, Property Info
Onboarding time1 week
Minimum requirementsMinimum Content Quality required. Contact us for more info
Sites in network
Works best in conjunction withRentals United + Beyond Pricing
Stage of your business journeyListing Site