Power your travel business with KAYAK’s API

Use our API to integrate KAYAK’s vast inventory of flights, hotels, and car rentals and monetize your audience seamlessly.

Powering the largest and best travel brands

Build on Our Trusted Travel API.

The foundation for your travel platform — live pricing and availability for flights, hotels, and cars, all from a single reliable source.

One platform. No supplier hassles

Offer flights, hotels, and cars—without managing multiple suppliers.

Built for startups and enterprises

Our API powers full travel booking, from startups to enterprises.

Simplifying travel tech, so you can scale

Our API gives you access to KAYAK’s inventory, while we handle the complexity so you can focus on growth.

Hundreds of successful businesses

Hundreds of successful businesses monetize their audience the simple way.

Why KAYAK API?

Extensive Travel Inventory

Access live pricing and availability across flights, hotels, and car rentals from hundreds of global providers. KAYAK processes over 150 million searches monthly, ensuring your users get the most comprehensive and up-to-date options.

Proven Monetization

Join hundreds of partners already driving revenue by referring traffic through KAYAK’s trusted brand. Our affiliates consistently see strong conversion rates thanks to KAYAK’s market presence and user trust.

Seamless Integration

Quickly plug into KAYAK’s robust API to offer fast, reliable travel search and comparison experiences—without heavy technical burden. Real-time data keeps your platform fresh and accurate.

Dedicated Support

Work with a dedicated account manager who provides personalized guidance to help you integrate smoothly and grow your travel business efficiently.

How It Works

Connect to KAYAK’s Travel APIs in a few simple steps and start monetizing your audience.

Apply for API access

Submit the partner form with details about your business and use case, and select whether you’d like free access to the Sandbox APIs to experiment before going live.

Explore and prototype

If you request Sandbox, use your Sandbox API keys to prototype against KAYAK’s Flights, Hotels, Cars, Travel Data, or Ads APIs using safe, test-style data

Get approved and connect to production

Once your use case is approved as a full affiliate integration, you can request production API keys for the products you plan to use and work with the KAYAK team to review documentation, integration options, and best practices.

Launch, optimize, and earn

Go live with production APIs, track performance, and work with KAYAK to refine your integration as you grow traffic, conversions, and revenue from your travel experiences.

Get in touch with KAYAK now.

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