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Who We Are

Bookingxml is an international travel technology and travel software company and we serve travel companies from 100+ countries across four continents. Bookingxml platform is powered by 200+ suppliers across flight, hotels, car, sightseeing, vacations and other ground services.

What We Do

We partner with our clients to provide strong distribution capabilities - B2B/B2C / B2B2C travel technology, automate travel business process, powerful back office system, flexible content management system and feature a unique standardization element.

Why Us

Bookingxml develop and enable access to extensive range of travel suppliers which includes all GDS, LCCs, 600,000+ Hotels, 200,000 Activities, 50000+ Car rental locations, Crusies, Eurail, Bus, Insurance and tours and travel experiences worldwide.

Let's Discover

The World Together

One of the leading online booking engine providers EXCLUSIVELY for travel agencies. Our aim is to provide you with a fast and easy online access to the products your clients are asking for, wherever and whenever that may be.

Sixt Car Rental System Is Bound To Make An Impact In Your Business

The Simplest Ways to Make the Best of Sixt Car Rentals


Rental Cars


Grow Your Creativity Using RentalCars API


Sixt rent a car was founded in 1912 in Munich, Germany, and started out with a fleet of just three vehicles.

Sixt Car Rental is the leading mobility service provider in Germany, Austria, Denmark, and Switzerland and has been successfully expanding throughout Europe and the United States.

As one of the first rental car companies in the world and now over 100 years in the business, they have earned a trusted reputation as a global leading car rental provider.

Sixt rent a car expanded to the USA in 2011 and they have expanded their services and increased car rental fleet throughout the USA. When you rent with Sixt you know that you will be getting a great car at an affordable rate.

In partnership with their licensees and partners, they are available to customers at more than 3,500 locations in over 90 countries. 

Sixt is planning to grow throughout the US, at popular tourist destinations, so keep checking back to see if they have opened a new location to where you want to travel.

Always at the forefront of the industry, they were the first car rental company with a website and the first to accept mobile reservations.

You will be able to find their Sixt car rental services in almost every major city and tourist destination worldwide at convenient locations such as airports, train stations, cruise ports, and hotels.

Sixt has been in the car rental business for over 100 years, so rest assured that you are getting a rental vehicle from a trusted car rental company.

If you are traveling for business or pleasure Sixt has the right service for you.

Here at Sixt, they offer vehicles ranging from 15 passenger vans, to compact cars so they have the right vehicle for every vacation.

Sixt rent a car is looking forward to greeting you at one of the USA locations.


Fascinating Car API Tactics That Can Help Your Business Grow


As an innovative product provider, the Sixt Group maintains quality standards of service. Although the Sixt Group is a leading mobility service provider in Germany, they continue to enlarge.

Mobility solutions are the key operating angle of the Sixt Group, which offers global and high-quality car hire services.

Whether it is for 6 minutes, 6 hours, or 6 months. Whether driven by yourself, a driver or maybe even completely autonomous soon.

SIXT family with more than 7,500 members is working towards a future in which people around the globe have access to safe, efficient, and comfortable mobility with the touch of a button.

With more than 2,200 locations in over 100 countries worldwide, and the largest premium car fleet in the world, SIXT will have the perfect vehicle for you no matter where you are traveling to.

The world’s largest mobility fleet with 270,100 cars in over 110 countries is available precisely when and how you need it.

This is no longer a dream, SIXT already stands for it today: one brand, one company,  solutions – in just one app.

It makes Sixt the world's largest integrated mobility service provider.

You can browse all of the stations worldwide by using the booking form above or check out the most popular cities.

Each SIXT rent a car location around the globe stands by their Drive First Class, Pay Economy motto as they offer premium vehicles without premium prices.

Their rental cars are regularly replaced so you can feel confident that, with SIXT, you will be behind the wheel of a well-maintained and up-to-date rental.

They have over 222,000 rental vehicles in their fleet, which hosts models from some of the best car manufacturers in the world, including German favorites such as BMW, Mercedes-Benz, Audi, and more.


Rental Cars Is Crucial To Your Business


Sixt Car-rental with XML API integration facilities, ideal for online travel businesses that wish to sell car hire services with other products.

Hence, by offering reliable car hire services along with hotel and flight bookings, your clients will prefer to work with just one agent as opposed to several who specialize in various areas.

For online travel agents wishing to expand their businesses, Sixt Car-rental will be useful for adding on a new service. In addition, you can expect an increase in revenue and growth as a complete travel provider.

By improving your customer service, you can expand your travel business into a larger business.

BookingXML is one of the leading travel technology companies providing worldwide travel technology solutions.

Sixt Car Rental API will be integrated into all modules such as User, Guest User, Agent, Admin, Affiliates, Mobile Applications., etc and even Client mentioned Custom Modules with DB Design will be done as well.

We, at BookingXML, give the integration according to your necessities. We have a strong and secure mapping with static data and will also increase the volume of the XML API integration.

At BookingXML we are specialists in XML integrations with Sixt car rental.

BookingXML provides the best API integration for Sixt Car-rental through XML with fast request responses.

BookingXML has worked with Sixt Car rental API integration with large and leading DMC clients around the world.

We have a strong and secure mapping with static data and will also increase the volume of the XML API integration.

This is especially beneficial, as travel agents are able to offer their customers personalization and wider choice with every booking.

Customers can look forward to comparing rates on a consolidated platform for more efficient decision-making.


Revolutionizing Online travel

  • Multiple Sales Channels - B2C, B2B, B2B2C, B2B2B, Call Center, Front Desk
  • Low cost of ownership
  • Online Booking Engine - Flight,Hotel,Holiday Package,Car,Sightseeing and Transfers
  • GDS, XML & Travel API Integration
  • Complete booking management system
  • Comprehensive reporting module
Vacation Packages
Itinerary Creator

Our Clients Are

Let us put the #No.1 Cloud Solution

from IBM to work for you

Every project we take on starts with the aim of being our 'best yet', so you can be assured that our attention to detail and high quality work is present in every job we craft. We want our customers to be as excited and proud of the end product as we are, and we strive towards that goal every day.

Ranked Best Travel API Globally

Reasons to work with Bookingxml?

  • Most affordable online reservation system.
  • Market proven end to end solution on cloud.
  • Unique B2B and Back office module.
  • Enhanced reservation flow, affiliates network, sales and analytics tools.
  • Comprehensive booking management tools
  • Multi languages and currencies in the booking engine
  • Real time inventory

© BookingXML 2020