A GDS and a travel API describe different parts of the booking setup. Comparing them as if you must buy one or the other makes a supplier conversation harder than it needs to be. An API is a way for software systems to exchange information and instructions. A global distribution system is one source through which travel content can be distributed and booked, including through APIs.

For an agency, the practical question is which route gives you the product and service you need. Search results matter, but so do ticketing, amendments and the people responsible when something changes. Start with the bookings you expect to sell. Work backwards from those requirements before choosing a connection.

Separate the content source from the interface

Think of your booking website as the place where the customer or adviser works. Behind it, a booking platform may connect to a GDS, an airline, a bedbank or another intermediary. An API carries requests and responses between those systems. The route and the interface belong in the same picture.

Travelport's NDC guide gives a concrete example: its TripServices Flights APIs support both GDS and NDC content. That means API access and GDS content can be part of the same service. A proposal described as "API based" has not, by itself, told you where the fares come from. Ask the supplier to name the distribution routes included in your configuration.

A direct supplier connection can be useful when it provides the product or commercial arrangement you need. An intermediary can reduce the number of separate connections your technology team maintains. Neither route automatically gives you every fare or a better price. Compare the actual content and terms available to your business.

Treat NDC as a standard with real commercial arrangements around it

IATA describes NDC as a data exchange format based on airline Offer and Order processes. It provides a way to communicate airline products and bookings. The standard itself isn't a supplier subscription or a ticketing agreement. Those arrangements still have to be established with the relevant businesses.

When a provider says NDC is supported, ask which airlines, markets and operations are available through your proposed connection. A search demonstration answers only part of that question. You also need to understand how to change the trip, handle an airline schedule change and request a refund. Ask for a demonstration of the cases your team is likely to encounter.

Keep the language practical when sharing the decision internally. Your sales team needs to know which content they can book and where servicing happens. Developers need the interface documentation and technical limits. Finance needs to understand settlement and the commercial agreement. One product name won't answer all those questions.

Establish who issues and services the ticket

Travelport's NDC prerequisites require access to be enabled by Travelport and registration with the participating airline. Its guide also explains that post-booking workflows differ between NDC and GDS content, with capabilities varying by carrier. A working search connection therefore doesn't establish that every servicing action is available. Confirm the booking and support arrangement for the airlines you intend to sell.

For your own proposal, record who issues the ticket and how your team contacts them. Establish what happens outside your normal opening hours and which services attract fees. Ask how schedule changes reach your agency and who takes the next action. A cheap booking connection can still be a poor fit if its servicing arrangement doesn't match your customers' needs.

Write down the customer payment route separately from the supplier settlement route. Collecting money on your website and paying the business that issues a ticket are different events. Your agreements should explain both. Don't assume a technical booking response proves that every financial step is complete.

Choose the level of technical responsibility you want

A small agency may prefer a managed booking platform that already maintains supplier connections. For a business building its own app, direct access to the platform's API may be useful. Those choices change who builds the customer interface and maintains the integration. They don't remove the need to check which suppliers and commercial accounts are available.

Our Travelgenix booking API is an example of connecting an independently built website or app to a booking engine and mid-office. The flight booking page also explains that some connections need their own agreement or login. Discuss those dependencies before treating a supplier logo as ready-to-sell inventory. Ask for the requirements that apply to your actual business.

If you choose your own development route, give maintenance a named owner. Supplier changes, failed requests and unusual booking responses need investigation after launch. Agree who monitors the connection and how problems are escalated. The person who built the first successful search may not be available when the first difficult amendment arrives.

Bring a real booking scenario to the discussion

Prepare a representative trip with the required route, passenger mix and servicing expectations. Ask each provider to show where the content comes from, how the booking is completed and what happens if the customer later changes the date. Keep the results in a short comparison record. Mark anything that was described but not demonstrated.

Then give the scenario to the colleague who will support the booking after the sale. Ask them to trace the amendment route using the proposed process. Any missing contact, unclear fee or unsupported action belongs in the supplier conversation before you commit. That is how an acronym-heavy discussion becomes a decision your team can use.

Download the supplier distribution routes