Duffel
Duffel is a London-based travel technology company providing a unified API that enables businesses to shop, book, and manage flights and hotel stays. Founded in 2017, it serves challenger banks, spend management platforms, and enterprises through IATA-accredited Flights and Stays APIs.
- Company typePrivate
- Founded2017
- HeadquartersLondon, United Kingdom
- Headcount51–100
- GTM typeB2B
- OfferingSoftware
What Duffel does
Duffel is a London-based travel technology company that operates a unified API platform enabling businesses to shop, book, and manage flights, hotel stays, and ancillary travel services. Founded in 2017 and legally registered as Duffel Technology Ltd., the company targets a wide range of customers from startups to large enterprises, with primary emphasis on challenger banks, spend management platforms, and non-traditional travel sellers. The platform's customer base spans multiple verticals including HR and expense management, financial technology, and loyalty programs.
The company's core technology comprises two primary products: the Flights API, which supports flight search, booking, loyalty program integration, seat and baggage selection, and order management; and the Stays API, which provides access to over one million hotel properties globally with commission-based economics. Both APIs are accessed through a unified architecture with client libraries available in Node.js, Python, and Ruby, alongside prebuilt UI components for ancillaries and payments. The company holds IATA accreditation and ticketing authority, providing direct access to global airline content including via NDC (New Distribution Capability) connections.
Duffel operates an API-first, self-serve go-to-market motion complemented by direct enterprise sales. The company has raised approximately $56.2 million across three funding rounds (Series A in 2018, Series B in mid-2019, and a Series B extension in late 2019) from investors including Index Ventures, Benchmark, Blossom Capital, Kima Ventures, and Y Combinator. Revenue is generated primarily through transaction fees on flight bookings and commission on hotel reservations, with multi-year enterprise contracts and take-rate pricing for which public figures are not disclosed. Notable customers include Rippling, TravelBank, Ascenda, BizAway, Pelikin, and Ulysse.
Duffel firmographics
Firmographics- Name
- Duffel
- Legal name
- Duffel Technology Ltd.
- Website
- https://duffelhq.com
- Company type
- Private
- Founded year
- 2017
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Duffel is a London-based travel technology company providing a unified API that enables businesses to shop, book, and manage flights and hotel stays. Founded in 2017, it serves challenger banks, spend management platforms, and enterprises through IATA-accredited Flights and Stays APIs.
- Ownership category
- akta.pro rank
Duffel industry classification
Industry- Product category
- Travel API / Travel Technology Infrastructure
- NAICS
- All Other Travel Arrangement and Reservation Services (561599), Travel Agencies (56151)
- akta.pro primary industry
- Travel Management & Booking Infrastructure (GDS/Channel Managers/Booking APIs) (BPAMAIAO)
- akta.pro secondary industries
- Rate/Availability Shopping, Cache & Fare/Retailing Optimization APIs (THALAJAJ), Airline Direct Booking Engines (IBEs) (THALADAC), Corporate Travel & Expense Booking Platforms (BPAMAIAI), Online/Hybrid Corporate Travel Agencies (Self-Booking + Support) (THAKACAB)
Keywords
Where Duffel is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
Duffel business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Infrastructure, Marketing or Sales, Operations
Revenue model
- API Platform Services: Transaction-based revenue from facilitating travel bookings through the Duffel API platform. Businesses pay based on travel transactions processed.
- Commission on Stays: Commission earnings on over 1 million hotel properties globally through the Stays API
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Transaction based/ take rate | Multi-year contract | Custom enterprise pricing based on volume and needs |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels4 records
Duffel product offering
Product offeringCore offering
Duffel provides a unified travel API platform that allows any business to shop, book, and manage flights, stays, and travel extras through RESTful APIs. Its two core products are the Flights API (search, booking, seat/baggage selection, loyalty perks, order management, and managed airline content via Duffel's IATA accreditation) and the Stays API (commission-earning access to over 1 million hotel properties globally with loyalty integration). The offering is supported by client libraries in Node.js, Python, and Ruby, plus prebuilt UI components such as the Ancillaries Component.
Product overview
Duffel is a unified travel API platform consisting of two core products: the Flights API and the Stays API. The Flights API enables flight search, booking, ancillaries (seats, bags), and order management with airline content accessed through Duffel's IATA accreditation. The Stays API provides access to over 1 million hotel properties with commission earning and loyalty integration. Both products share a unified API architecture with client libraries in Node.js, Python, and Ruby, and are designed for businesses ranging from startups to large enterprises across use cases including challenger banks and spend management platforms.
Differentiator
Problem solved
Functional benefit
Products and services
- Duffel Flights API A flight booking API that enables businesses to build intuitive flight search experiences, offer loyalty programme perks, add seats and bags, and manage orders. Includes access to content from global airlines using Duffel's accreditation and ticketing authority. Designed for businesses ranging from challenger banks and spend management platforms to non-traditional travel sellers and large enterprises.
- Duffel Stays API A hotel booking API that enables businesses to earn commission on over 1 million properties globally. Provides global inventory, loyalty integration, and rich content for building hotel shopping experiences within the customer's own platform.
- Duffel Ancillaries Component A prebuilt UI component for offering baggage, seat selection, and other ancillary services within the flight booking flow, designed to reduce integration complexity for businesses embedding Duffel's Flights API.
Quantifiable outcome
- Start selling travel in less than 1 minute (onboarding)
- +1 more outcomes
Companies that use Duffel
Customer profileNamed customers6 records
Segments4 records
Ideal customer profiles3 records
Duffel technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
Feature5 records
Duffel partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- RipplingcoreDuffel partnered with Rippling to integrate its travel booking platform into Rippling's management suite. Corporate clients can now manage business travel expenses within their existing payroll and expense systems. Employees can book flights, hotels, and upgrades seamlessly while finance teams gain real-time oversight. The collaboration enhances expense control and streamlines administrative processes.
Scale indicators2 records
Recent moves4 records
Expansion highlights5 records
Duffel competitors and assessment
Company assessmentDirect peers
- Spotnana: Spotnana is a modern B2B travel platform offering cloud-based booking, NDC content, and APIs to corporations and TMCs, with the same target customer profile and developer-first architecture as Duffel.
- Navan: Navan (formerly TripActions) is a corporate travel and expense platform that combines direct booking APIs with spend management, overlapping Duffel's spend management segment and the broader B2B travel infrastructure thesis.
- TravelPerk: TravelPerk is a corporate travel booking platform that uses aggregated content and API integrations to serve business travelers, directly competing with Duffel-powered TMC and spend management solutions.
- TripStack: TripStack provides a virtual interlining and NDC API platform that enables resellers to access air content, overlapping Duffel's role as a travel content API provider for non-traditional sellers.
- Kiwi.com: Kiwi.com operates a global travel booking platform and offers its Tequila API for partners, competing with Duffel in the travel content and booking infrastructure layer for online sellers.
Broad incumbents
- Amadeus: Amadeus is the largest global GDS with broad airline, hotel, and ancillary content, plus an enterprise platform serving travel sellers; it competes with Duffel across the full spectrum of booking infrastructure.
- Sabre: Sabre operates a major GDS and a suite of travel APIs used by OTAs, TMCs, and airlines, providing comparable booking and content services to Duffel for enterprise and reseller customers.
- Travelport: Travelport is a global GDS with the Travelport+ platform, offering travel content and APIs to resellers, directly overlapping Duffel's flights and stays distribution business.
- HotelBeds: HotelBeds is a leading B2B hotel accommodation marketplace and API provider, overlapping Duffel's Stays API offering in the hotel content and commission revenue layer.
Emerging players
- Hopper: Hopper operates a consumer-facing travel app with proprietary pricing and fintech products, and offers B2B/white-label APIs, partially overlapping Duffel's API and ancillary product capabilities.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Duffel social profiles
Digital presenceDuffel financial estimates
Financial estimateRevenue estimate
Valuation estimate
Duffel leadership team
Management profileNumber of profiles
Profiles3 records
Duffel funding detail
Funding detailFunding overview
Funding rounds3 records
Investors6 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Duffel M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Duffel
What does Duffel do?
Duffel provides a unified travel API platform that allows any business to shop, book, and manage flights, stays, and travel extras through RESTful APIs. Its two core products are the Flights API (search, booking, seat/baggage selection, loyalty perks, order management, and managed airline content via Duffel's IATA accreditation) and the Stays API (commission-earning access to over 1 million hotel properties globally with loyalty integration). The offering is supported by client libraries in Node.js, Python, and Ruby, plus prebuilt UI components such as the Ancillaries Component.
Is Duffel a public or private company?
Duffel is a private company. It is classified as venture growth investor backed and is currently operating.
When was Duffel founded?
Duffel was founded in 2017. It employs 51 to 100 people.
Where is Duffel based?
Duffel is headquartered in London, United Kingdom, in the Europe region.
How does Duffel make money?
Two revenue lines are on record. API Platform Services are the primary driver. The others are commission on Stays.
Who are Duffel's main competitors?
Direct peers on record are Spotnana, Navan, TravelPerk, TripStack and Kiwi.com. Broad incumbents are Amadeus, Sabre, Travelport and HotelBeds. Hopper is listed as an emerging player.
Does Duffel have an API?
Yes. Duffel offers a travel API enabling businesses to shop, book, and manage flights, stays, and travel extras. The API supports flight search, booking, ancillaries (baggage, seat selection), order management, and hotel inventory. Client libraries available in Node.js, Python, and Ruby. The API is designed for businesses from startups to large enterprises. Developer documentation is at duffel.com/docs.
What industry is Duffel in?
Duffel's product category is Travel API / Travel Technology Infrastructure. Its primary akta.pro industry code is BPAMAIAO, Travel Management & Booking Infrastructure (GDS/Channel Managers/Booking APIs), with a secondary code of THALAJAJ, Rate/Availability Shopping, Cache & Fare/Retailing Optimization APIs. Its NAICS code is 561599.