Travel API
Hotel and Flight API Integration for Travel Sites
Combine air and accommodation inventory without creating operational chaos
By Project OTA | 22 Jun, 2026 | 5 min read
Adding hotels beside flights can increase revenue, but it requires clear supplier rules, cancellation policies and order management.
Different products, different rules
Flights and hotels behave differently. Flights rely on fare validation, ticketing and airline rules. Hotels rely on room availability, rate plans, cancellation windows, supplier confirmation and sometimes pay-at-hotel logic.
A travel site should not force both products into one simplistic model. It should use shared customer and payment flows while preserving product-specific rules.
Checkout and order management
When users book multiple products, the system needs clear order status for each item. A flight may ticket immediately while a hotel awaits confirmation, or a hotel may cancel under different rules than the air segment.
Support teams need one customer order view with product-level supplier references, payment status and cancellation options.
Supplier strategy
Hotels can come from bedbanks, direct contracts, channel managers or aggregators. Flights can come from GDS, NDC, LCC or consolidator APIs. Supplier ranking should consider margin, reliability and refund handling.
A modular integration layer lets the agency add products without rebuilding the entire platform.
Frequently Asked Questions
Can one checkout support flights and hotels?
Yes, but the backend must track each product's supplier, confirmation status, cancellation policy and payment requirements separately.
Which should an OTA launch first, flights or hotels?
It depends on market demand and supplier access. Many agencies start with their strongest product and add the second once operations are stable.
Key Takeaways
- Flights and hotels have different pricing, cancellation and confirmation rules.
- A shared order model helps support teams manage cross-product bookings.
- Bundling should be designed around margin and service reliability.
Project OTA integrates flight, hotel and ancillary APIs into travel platforms with clear order and support workflows.
Talk to Project OTA