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Duffel logo

The best API to sell travel.

Starting price
$0.005/mo
Website
duffel.com

About Duffel

Duffel is a travel API platform that lets businesses shop, book, and manage flights, stays, and travel extras from inside their own apps. It targets startups through large enterprises looking to add travel selling capabilities without building the backend themselves.

Duffel screenshot

Key Features

When you integrate Duffel, you expose flight and hotel inventory, pricing, and order flows to your users, enabling embedded travel experiences across fintechs and platforms:

Flight search and booking

Build an intuitive flight search with autocomplete, filters, and the ability to book and manage orders.

Stays inventory and commissions

Access over 1 million properties globally, earn commissions, and surface loyalty benefits.

Ancillaries and payments

Offer seats, bags, and other add-ons; integrated checkout with prebuilt components like seat selection and payments.

Developer tools and docs

Comprehensive docs, client libraries in Node.js, Python, and Ruby, plus prebuilt components to accelerate integration.

Summary

Best for challenger banks, spend-management platforms, and any business looking to embed travel into its product.

Plans and prices as listed on duffel.com as of Sep 12, 2026.

Excess search fee

$0.005 / monthly

  • Charged if search to book ratio exceeds 1500:1

Ancillaries

$2.00 / monthly

  • Charged per paid ancillary

Pay as you go

$3.00 / monthly

  • Start selling instantly
  • No upfront fees
  • Email-based technical support

Managed Content

1% / monthly

  • Total order value charged
  • Monthly fee per confirmed order

Enterprise

Bespoke pricing / contact sales

  • Enterprise-level pricing
  • Volume discounts
  • Tailored monetisation strategy support
  • Dedicated technical support
  • Use your own IATA accreditation

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