Why product design matters at an API company
The design considerations are clear when developing an app with a visual interface. That’s not the case when building an API.

How to build a flight API: exploring our tech stack
The travel industry is built on a complex web of legacy systems. We've designed a tech stack with the latest tools to help us move faster.



Making flight searches better: multi-step, deadlines, filters, and offer conditions
Customers are willing to wait a couple of seconds, but what about 30? Use these search features to deliver more relevant results faster.

Perspectives on the future of NDC: IATA, Hawaiian Airlines, Alternative Airlines, and Duffel
NDC adoption is accelerating. Here's what you can expect from IATA, an airline, travel seller, and tech provider in the years to come.
Celebrating Pride month 2022 at Duffel
We marked Pride month by celebrating, learning from less visible members of the LGBTQ+ community, and supporting a great cause.
Key takeaways from ElixirConf EU 2022
We celebrated ten years of Elixir by joining the community at ElixirConf. We enjoyed loads of great talks and these are the highlights.
Manage flight changes in minutes with new Order Management features
New features to improve how you manage airline-initiated changes across 300+ airlines.
How to talk about the value of NDC to business leaders
When stakeholders ask about the business value and considerations of using NDC, this is how we answer common questions.
How we’re improving web accessibility at Duffel
On Global Accessibility Awareness Day, our user experience engineering team dedicated the day to improving the accessibility of the Duffel Dashboard.
How NDC helps travel sellers make money in 2022
Passengers are taking to the skies again and you have the opportunity to deliver great experiences and make money as a travel seller using NDC.
Introducing the complete NDC guide for travel sellers
A new guide to help travel sellers use NDC to build great customer experiences and make more money selling flights.
Introducing Place Suggestion API: build an intuitive flight search tool faster
A new API in our complete toolkit for selling flights so your customers can find cities and airports around the world.