Horizon® Web Services | SITA



Horizon Web Services is an interface that gives you direct access to data on the Horizon Reservations and Departure Control Systems. It provides uniquely open and flexible access to data, through a connection with the highest level of performance and security.

Web Services benefits from SITA’s knowledge of industry standard message formats and protocols that significantly reduce your application development time, maintenance costs and reliance on proprietary messages.

Web Services supports messaging for air availability, flight information, reservations (create/modify and cancel), customer profile, fares, ticketing, electronic miscellaneous documents and departure control services.

Information on Web Services is available online at www.developer.aero.

Horizon Web Services Use cases
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How it helps

Horizon Web Services is an XML application programming interface with access to Horizon Reservations. Web Services follows the Open Travel Alliance message standards where available for creating web-based or server-based applications.


  • Platform independent
  • Uses existing dedicated IP or internet-based communications
  • Facilitates development of airline distribution and passenger management solutions

Your benefits

Horizon Web Services harnesses the power of the Horizon Passenger Service System to minimize your airline’s application development costs. It also enables you to maintain complete platform independence while building your individual travel distribution strategy.

Other benefits

  • Increased flexibility in using technology to support your business
  • Faster development
  • Improved security

Global support

Horizon is provided on an application service provider (ASP) basis, with SITA managing the technology, allowing the customer to focus on the business. Service includes guaranteed service level agreements (SLAs), 24 x 7 helpdesk support and application monitoring.

SITA’s infrastructure is supported by SITA Global Services (SGS) which provides you with global business continuity through a flexible service model. Our monitoring service ensures your IT systems are reliable and available, around the clock, around the world.

Horizon Web Services Use cases
- 215 kb

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Data driven travel

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