Below is the 

list of top API

 providers (2025) as per geography and contents. Check top providers of flight API worldwide as following -

Amadeus 

flight API

 is a set of application programming interfaces (APIs) provided by Amadeus, a global travel aggregator that offers travel-related solutions and services for the travel industry. The Amadeus API allows developers to access and integrate travel-related data and functionality into their applications and services. 

The Amadeus GDS provides access to a wide range of travel-related services, including flight search and booking, hotel search and booking, car rental, destination content, and more. These APIs allow developers to access real-time pricing and availability information, as well as other relevant data and services, to help users plan and book their travel.

The Amadeus API is designed to be flexible, scalable, and easy to integrate into a variety of applications and services. It facilitates a variety of programming languages and can be used to build a range of travel-related products, including websites, mobile apps, and travel management systems. 

Provab Technosoft is one among the leading travel technology providers specializing in API integration for travel products. They offer a suite of travel APIs, including flight API, hotel API, car API, transfer API, and sightseeing API. 

They aim to help clients maximize travel inventory by providing a unified travel booking API connection and rich flight content aggregated from multiple sources. Provab has a team of over 300 professionals who work to turn their client's ideas into reality using an agile methodology.

They develop travel portals, airline reservation systems, extranets, and custom applications to meet their client's needs. The company's travel technology and API integration team are dedicated to ensuring a seamless and efficient integration process. Provab is a leading flight API provider, and its IATA-accredited subsidiary helps provide high-quality travel inventory. Provab Technosoft is committed to assisting clients in achieving their travel technology goals.

Travelport (galileo travelport)is a global travel commerce platform that provides travel technology solutions and services to travel agencies, corporations, and airlines. They offer an API known as the Travelport 

Universal API

, a web services interface that provides access to Travelport's content and services. The API integrates flight, hotel, car rental, and other travel content into B2C B2B travel software and airline reservation software applications.

This allows travel agencies and corporations to create custom travel experiences for their customers using the comprehensive travel content and services Travelport provides. The Travelport Universal API allows access to a wide range of content, including low-cost carriers, full-service airlines, and over 400,000 hotel properties. Additionally, the API offers several features, such as dynamic pricing, real-time booking and cancellation, ancillary services, access to a wide range of travel content, flexibility, and customization.

Sabre is a leading travel technology company for the global travel industry. They offer a suite of APIs, known as the Sabre APIs, which provide access to the company's vast portfolio of travel content and services. The Sabre flight APIs allow travel companies, agencies, and airlines to build custom travel applications and websites, integrating flight, hotel, car rental, and other travel content into their platforms. The Sabre APIs provide access to real-time data and services, including dynamic pricing and availability information for flights, hotels, and car rentals.

Developers can use the APIs (GDS nedir)to create unique and personalized travel experiences for their customers, including booking and canceling reservations, accessing ancillary services, and viewing detailed itinerary information. In addition to its APIs, Sabre provides a range of resources for developers, including documentation, sample code, and technical support, to help them get started with the APIs and integrate them into their applications and websites. Sabre's commitment to innovation and customer success makes it a trusted partner for travel companies and agencies looking to build custom travel experiences for their customers.

Travel Boutique Online (TBO) is a B2B travel portal development company / platform that provides travel technology solutions to travel agencies and tour operators. TBO's API allows developers to integrate TBO's services, such as flight booking, hotel booking, and holiday packages, into their websites or mobile applications. This integration enables travel agencies and tour operators to offer their customers a more comprehensive range of travel products and services. The TBO API provides access to a wide range of travel products, including flights, hotels, holiday packages, transfers, and activities. Developers can use the API to retrieve information on available travel products, prices, and availability, as well as to make bookings and manage reservations. Therefore, TBO API provides travel companies with a flexible platform to integrate TBO's travel technology solutions and offer their customers a wide range of travel products and services.

PKFare is a travel tech firm (flight aggregator)that offers APIs to travel agencies and firms to access travel data and make reservations. PKFare provides a range of travel API for various travel services, including Flight APIs, Hotel APIs, Car Rental APIs, and Transfer APIs. Each of these APIs is designed to be flexible and scalable, allowing travel companies to customize their integration based on their specific needs and requirements.

PKFare offers APIs for developers in the travel industry to integrate travel information and booking services into their platforms. The APIs are designed to be easy to use and flexible, allowing developers to do b2b travel portal development and customize their integration based on their specific needs and requirements. The APIs cover a range of travel services, including flight information, hotel properties, car rentals, tour packages, and transfer services. With PKFare's APIs, developers can access real-time data and make bookings directly through the API. This helps streamline operations and improve the overall customer experience. The APIs are updated frequently to ensure developers have accurate and updated information.

Skyscanner APIs are a set of application programming interfaces (APIs) offered by Skyscanner (one of the leading flight aggregators), a leading global travel company. These APIs give developers access to Skyscanner's enormous travel data database, including information on hotel rates and availability, airline itineraries, costs, and schedules.

The APIs allow developers to build custom travel search and booking applications for their clients, offering them a convenient and efficient way to find and book their travel arrangements. The search experience may be tailored using the APIs, including the ability to filter results based on factors like departure and arrival timings, the length of the flight, and the number of stops. The APIs also offer flexible payment options, making it easy for customers to book their travel arrangements.

In addition to flight and hotel APIs, Skyscanner also provides APIs for accessing the information on car rentals and travel insurance. These APIs allow developers to offer a complete travel solution to their clients, making it easier for them to find and book all of the components of their trip. Skyscanner APIs are a valuable resource for developers to build custom applications that provide clients with an efficient travel booking experience.

Expedia is a leading online travel technology solution company that provides APIs for travel information and booking services. Expedia's Rapid API is a platform that gives access to Expedia's travel APIs. The platform is made easy for developers to access and integrate Expedia's travel information and booking services into their websites. With Rapid API, developers can access various travel information and services, including flights, hotels, car rentals, and activities. The APIs provided by Rapid API are easy to use, scalable, and reliable, ensuring a smooth integration process and a high level of performance. Rapid API provides various tools and resources to help developers get started, including documentation, code samples, and support.

With Expedia's APIs, developers can access real-time information and make bookings directly through the API. The APIs are designed to be easy to use and scalable, allowing for a smooth integration process and a high level of performance. The information provided by the Expedia APIs is updated frequently to ensure that developers have access to the most accurate and up-to-date information available.

Kiwi is a travel search engine that helps users find and book flights, hotels, and rental cars. It offers APIs that allow developers to integrate the Kiwi platform into their websites and applications. The Kiwi APIs provide access to various travel-related data, including flight schedules, pricing information, and booking functionality. Developers can use the APIs to build custom travel CRM, integrate flight and hotel search functionality into their websites, or create travel-related mobile applications. Kiwi's APIs are designed to be easy to use and integrate, and the company provides extensive support so that developers can build scalable and robust travel applications.

Priceline is a famous air ticket aggregator that offers various travel-related services, including airfare, hotel booking, car rental, and vacation packages. They also provide APIs that developers can use to access the company's travel inventory and integrate into their websites or mobile apps. The Priceline Partner Solutions API offers an effortless way to connect multiple travel product sources, providing instant access to dynamic Hotel, Rental Car, and Flight content.

It is designed to cater to various business requirements, making it easy to integrate Hotel, Rental Car, and Flight products and their features directly into travel agency software, mobile app, or application. This provides customers with the best travel deals and a smooth booking experience. The APIs from Priceline are designed to be used by companies involved in the travel industry, including online travel agents, travel meta-search engines, and travel blogs. They allow companies to access significant content of travel products and services by providing clients with a smooth travel booking experience.

Google Travel APIs are a set of APIs provided by Google that allows developers to integrate travel-related information and services into their applications. The APIs provide access to flight schedules, hotel prices, and points of interest, and they can be used to build travel-related applications and services such as travel search engines, trip planners, and travel guides.

The Google Travel Partner API is designed for travel companies and developers who want to access Google's rich travel data to enhance their applications and services. With the Travel Partner API, developers can build travel search engines, trip planners, and travel guides that provide customers with up-to-date information about flights and hotels, including pricing, availability, and amenities. The Travel Partner API is part of the Google Cloud Platform, and developers can use it to build travel-related applications and services that access Google's rich travel data.

Travelfusion is a technology company that provides APIs for travel websites and companies to access and display real-time content such as flight and hotel availability, pricing, and booking information. The Travelfusion API allows developers to integrate Travelfusion's content directly into their website or application. This enables travel companies to offer their customers a more comprehensive range of travel options.

The Travelfusion Direct Connect XML API system offers a wealth of features and integration options, enabling a direct connection between a system and Travelfusion's online booking system. With up-to-date availability and fully automated booking processes, this system provides customers with various options, control, and flexibility. The constantly updated system is supported by a technical support team, making access easy.

Travelfusion has recently introduced a Fast, Lightweight XML API system for flights, hotels, and prepackaged tours. This API system has been optimized for rapid integration and small responses, minimizing the processing required on the customer side. The API features "fuzzy" ranking and filtering, direct connections from a browser, and support for various protocols making it ideal for multiple platforms and solutions, including mobile services and widgets. With its fast path to product release and ability to quickly adapt to new features, the Fast API is a versatile solution that can meet the diverse needs of customers.

Duffel is a travel technology company founded in 2017; they are associated with some of the world's top airlines. Using their platform, any business can build applications to search and book flights, make payments and manage reservations. Duffel's flight APIs are flexible and customizable to develop airline reservation software. It offers a variety of travel management tools to help companies optimize their travel operations and provide the best possible experience for their customers.

Verteil Technologies is a leading travel tech firm and certified at NDC Level 4, providing the most cutting-edge and widely-used tools for distribution in the future. The flagship product of Verteil is Verteil Direct Connect (VDC). It is a business-to-business travel platform that aids travel agents with airline content discovery, booking, and modification. On VDC, travel agencies may reserve NDC tickets for 33+ full-service airlines.

Verteil offers one air ticket API for all Airlines. Travel agencies can access all 33+ airlines using a single, standardized API offering. Any new airline that joins VDC will have easy API integration and be accessible to agents at no extra charge. Tailored and unique tech services depending on the specific needs of the firm, are provided. VDC flight API for Travel Agents features includes full support, error handling, automated booking, speed management, real-time reports via online portals, and easy configuration.

SITA is a leading provider of air transport communications and IT solutions. They offer a range of flight booking API to help air transport firms integrate their systems with SITA's services. Some of the SITA APIs available include Flight Information APIs which provide real-time flight status information, flight schedules, and other relevant data. Messaging APIs; affordable, cloud-based RESTful connectivity for data interchange across ATI messaging users. Baggage APIs enable real-time tracking and management of baggage, including baggage reconciliation, handling, and claims. Airline Retail API Provide a range of services that help airlines improve their retail offerings, including pricing, booking, and ancillary services. Airlines, airports, ground handlers can use these APIs, and other air transport organizations to streamline operations, improve customer experience, and reduce costs.

The search engine for travel, Kayak, offers APIs so that developers can access its data and incorporate it into their own applications. Developers can use these APIs to get data like airline and hotel availability, costs, and reviews. The Flight Search API, Hotel Search API, and Car Search API are a few of the Kayak APIs. Travel app development company / developers must register for an API key, abide by the API documentation, and guidelines in order to fully utilize the Kayak APIs.

Top Links >

1. What is GDS

2. What is Amadeus

3. Demand of Amadeus GDS in United States