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Glossary · Air ticketing: GDS & NDC

What is NDC?

NDC (New Distribution Capability)

An IATA XML-based data standard that lets airlines distribute richer content — ancillaries, branded fares, seat maps and personalised offers — directly to sellers, beyond what a traditional GDS feed carries. NDC connections often sit alongside GDS content in a modern booking platform.

Related terms

Offers and Orders (NDC)
The retailing model behind NDC. The airline responds to a shopping request with offers it builds itself, including bundles and ancillaries; when the customer buys,…
GDS (Global Distribution System)
A global reservation network — the largest are Amadeus, Sabre and Travelport — that aggregates real-time availability and fares from airlines, hotels and car-hire…
Ancillaries
Products and services sold in addition to the base airline fare — checked baggage, seat selection, meals, priority boarding, lounge access, Wi-Fi and similar.…
Branded fares (fare families)
Named fare bundles an airline sells within a cabin — for example a basic, a standard and a flexible economy fare — each including a different set of baggage, seat…
EMD (Electronic Miscellaneous Document)
An IATA document used to collect payment for services other than the flight fare itself — such as extra baggage, seats, lounge access or change fees. An EMD-A is…

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