Event Notification Services

Stay up-to-date on changes to PNRs, Queues, and Profiles.

With Event Notification Services, Travel Network API customers can subscribe to receive XML messages providing notifications about changes to reservations (Passenger Name Records, or PNRs), Queues, and Profiles as they occur — in real time. Event Notification Services enable your applications to operate more efficiently, saving you time and money. And it helps you improve customer satisfaction by being able to alert your customers when a change has been made to their PNR.

Quick start checklist

Use this quick start checklist to learn how to get started with Event Notification Services.

How to use the ENS GUI

Learn how to use the Event Notification Services (ENS) graphical user interface to manage your subscriptions to passenger name record (PNR), profile, and queue changes.


Download release notes and other resources for Event Notification Services (ENS).


Contact technical support to request re-delivery of failed notifications or for general inquiries. Be prepared to provide your PCC/iPCC when contacting technical support (required).


Contact Support