Connect the Software You Already Use
Promtys builds your website on top of the platforms that run your business — RentSyst for car rental, Altegio for salons, clinics and gyms, and Mews for hotels — plus payments, analytics and marketing tools.
Built around the platforms you run
Your services, prices and availability flow in automatically — and every booking flows back in real time.
RentSyst
Car rental & fleet management softwareLive fleet, pricing and bookings for car rental websites.
Learn moreAltegio
Online booking & business management software24/7 online booking for salons, clinics, gyms and spas.
Learn moreMews
Hotel property management system (PMS)Live rooms, rates and commission-free direct bookings for hotels.
Learn moreRentSyst
Sync your fleet, prices and availability — reservations flow back into RentSyst. Built for car rental websites.
CRMAltegio
Embed 24/7 online booking for salons, clinics, gyms and spas (formerly YClients).
BookingMews
Connect your hotel PMS for live rooms, rates and commission-free direct bookings.
BookingStripe
Accept online payments and deposits on your website.
PaymentPayPal
PayPal checkout for fast, trusted payments.
PaymentGoogle Analytics
Track website traffic, conversions and user behavior.
AnalyticsGoogle Tag Manager
Manage all your tracking tags in one place.
AnalyticsMailchimp
Email marketing and newsletter automation.
MarketingLet customers message you in one tap from your site.
MarketingOpenTable
Restaurant reservation system integration.
BookingCalendly
Embed appointment scheduling widgets.
BookingZapier
Connect 5,000+ apps with no-code automation.
MarketingToast POS
Restaurant POS and menu sync.
PaymentGoogle Reserve
Let customers book directly from Google Search and Maps.
BookingWhy Integrate With Promtys
Powerful integrations that work the way you do.
Quick Setup
Connect in under 5 minutes with our guided wizard. No coding required.
Real-time Sync
Changes sync instantly. Your website always has the latest data.
Secure & Private
OAuth 2.0 authentication. Your credentials never touch our servers.
API Access
Build custom integrations with our comprehensive REST API.
Frequently Asked Questions
Promtys connects natively to the platforms behind each niche: RentSyst for car rental, Altegio (formerly YClients) for salons, clinics, gyms and spas, and Mews for hotels. Each gets a dedicated integration with live data sync. Payments, analytics and marketing tools like Stripe, Google Analytics, Mailchimp and WhatsApp are supported too.
Yes. Your services, prices, fleet or rooms and availability are pulled from your platform and kept up to date, while bookings made on your website flow back into it in real time — so there's no double entry and no double bookings.
Absolutely. We use secure, authorized connections and never store your third-party credentials. All data is encrypted in transit and at rest.
Yes. We add integrations based on demand. Contact us with the platform you use and we'll prioritize it.
Need a Custom Integration?
Our Enterprise plan includes custom integration development. Let's discuss your requirements.