| Travel products | DuffelFlights, hotels and flight extras. | OnArrivalFlights, hotels, activities, transfers, buses and eligible travel protection. |
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| Ready-made booking experience | DuffelAPIs, client libraries and components such as seats, bags and payments. | OnArrivalComplete booking screens, embeddable microfrontends, SDK components or APIs for your own UI. |
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| Mobile and web SDKs | DuffelNode.js, Python and Ruby client libraries; web components for selected steps. | OnArrivalBooking SDKs for web, iOS, Android, Flutter and React Native. |
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| MCP for AI agents | DuffelNative MCP support is unconfirmed. | OnArrivalNative flight and hotel MCP: search, price checks, booking and supported servicing. |
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| Bring your own supply | DuffelManaged airline content or your own IATA / ARC accreditation. | OnArrivalYour airline agreements, GDS access and direct hotel rates alongside OnArrival supply. |
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| Combined trips | DuffelFlights and Stays APIs. | OnArrivalFlights, hotels and activities linked in a trip, with supplier confirmations and payment records. |
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| Payments | DuffelPayment components, FX pricing and booking refunds. | OnArrivalInternational customer payments, supplier payouts, FX and refunds tied to the booking. |
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| Loyalty | DuffelAirline loyalty accounts and loyalty benefits within travel products. | OnArrivalYour own points and points-plus-cash programme across eligible travel products. |
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| After booking | DuffelFlight changes, cancellations and order management for supported orders. | OnArrivalBooking records, supported servicing, supplier operations and payment history across travel products. |
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| Hotel data services | DuffelHotel inventory and content through Stays. | OnArrivalHotel and room mapping plus places search, available with bookings or as standalone services. |
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