Travel and tourism industry is seeing a unique trend nowadays, Pace of Digitization. Digital transformation is key to staying agile and being ahead. Travel APIs (Application Programming Interfaces) play a larger role in digital transformation to full scale OTA model (online travel agency). Travel booking APIs are key tools that allow travel agencies, DMCs, distribution platforms and extranets to provide great value to customers. From flights, hotels, transfers, sightseeing and holiday packages - customers can book everything online and end to end.

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‘All-in-one-place’ online travel portal platforms have improved the user experiences to another level. According to Statista, OTA revenue is expected to show an annual growth rate of 11.6% over the next five years.

APIs (which stands for Application Programming Interfaces) are interfaces which communicate with other technologies / platforms / environments and which effectively allow content and data to be pulled from one system to another. For travel agents and aggregators, travel APIs can give them global access of inventory / deals including flights, hotels, car-rental, transfers, sightseeing and holiday packages.

Below is the list of top travel API providers (2021) as per geography and contents.

Amadeus is one of the most preferred GDS systems today. Global travel management companies are using Amadeus gds to access online travel contents including airline, hotels, transfers, sightseeing, cars and other ancillary services through Amadeus travel APIs / web services. Amadeus processes the highest number of transactions on a day to day basis. In the last 25+ years, Amadeus has become the largest gds system and the biggest travel content aggregator around the world.

Provab Technosoft is a leading travel API provider and along with its IATA accredited fully owned subsidiary, it helps you to maximise your need of travel inventory through a single unified travel booking API connection while providing rich flight contents aggregated through several IATA and Non IATA consolidators. Provab’s open travel API XML suite includes flight API, hotel API, car API, transfer API and sightseeing API.

Galileo GDS system - offered by TravelPort, is one of the most sophisticated global distribution systems for travel domain. Galileo GDS provides global distribution services for the travel industry with advanced computer reservation software, top of the line travel system and web services XMLs. B2B and B2C booking software with Travelport universal APIs are surging in India, United States, Mexico, Europe, South Africa and Malaysia. In the last 22+ years, Galileo GDS has become one of the largest gds systems.

Sabre GDS system is the connect between the travel services buyers and sellers. Sabre GDS is supported (in terms of travel inventory) by more than 400 flight carriers, 200,000 hotels, global tour operators and several car and cruise providers. Sabre system is connected to more than 400,000 travel agents worldwide, who are serving to end clients. Sabre GDS system processes more than a million travel booking transactions per minute during the high season. B2B and B2C travel portals with Sabre software system are surging in United States, Europe, UAE, India, Africa (Nigeria, Egypt) and Indonesia.

TBO Holidays is one of the leading travel aggregator, connected with 70,000 travel agencies across 100+ countries while using TBO’s award winning platform to book global travel contents online. TBO offers flights, accommodations, cruise, cars, transfers and sightseeing.

PKFARE aggregates real time big data from over 600 airlines, 400,000 properties and 20 DMCs, covering over 100 countries and regions. PKFARE is an innovative global travel trade marketplace offering air tickets, hospitality and destination products. Empowered by its global resources, machine learning technology, big data and dynamic hedging and payment model, PKFARE provides global travel players with smart integrated solutions including real time inventory data, best buy rate, seamless multilingual customer service and diversified product portfolios.

Hotelbeds is one of the largest aggregators with 1,80,000 hotels in around 185 destinations worldwide. Hotelbeds API enables any hotel booking system or distribution platform to provide their agents and B2C clients, best hotels and activities at lowest wholesale rates. Simply using Hotelbeds API integration solution is enough to gain access to vast inventory from multiple sources with competitive prices. Hotelbeds booking API additionally provides you access to additional services such as sightseeing, transfers and even car rentals.

Skyscanner was established in 2003 with the unique objective of showing all flight options in one place. Today it has gone from a flight search engine to a global leader in travel. More than 100 million people across the world (that's quite a few!) rely on its app and website each month to help them with their travel plans. It also provides skyscanner APIs to distribute the contents on global OTA platforms.

If you are an OTA or a destination website, want to have top of the hotel inventory on your booking platform, integrate Booking.com API. It offers solutions for OTAs, hotel channel managers, property owners and affiliates like travel bloggers and media outlets. The online accommodation platform currently offers over 29,420,861 properties, 12,500 affiliates, and well-architected framework features in 41 languages, 23 countries with payment card supports Visa, American, Express, MasterCard. The Booking.com APIs support both XML and JSON formats using HTTP basic authentication.

Expedia Affiliate Network (EAN) APIs robust structure brings quick responses and retrieves data from multiple sources instantly to give real-time updates on rates and availability on your booking platform. The EAN APIs are used to book hotels, flights and cars. Expedia's well designed framework enables 200+ travel booking sites across 75 countries and 150+ mobile websites. Expedia API Integration connects any online booking system to 140,000 hotels spread across 245 countries. Expedia has a great user base in the United States, Canada, Mexico, India and UAE.

At PROVAB, our travel API integration team and framework experts provide extensive support during APIs integration and live certification. They let you leverage the ready codes and libraries to complete the integration sooner than expected. You are assured of full scale OTA or mobile application to build rapid growth in travel booking vertical.

Post API contract signoff, agency code is created. Same time, sandbox and test credentials are sent to client’s developers.

Developers get the integration kit and they can start integrating PROVAB’s flight APIs on their platform in a seamless way.

Post flight web services integration, test cases are sent to client’s developers to validate the logic of application or mobile app.

On approval of all test cases, followed by few airline bookings in test environment, live credentials are granted to set the application live.

Now that you are well aware of travel APIs and why to integrate travel APIs, you must find the best travel API provider and API integration company. While plenty of travel technology companies are available, the question is how to find the best API company. Let me help you in preparing a questionnaire that fits your requirements.

• What are the major API integration services you offer?
• Please provide 7-8 benefits you offer to travel agents?
• Do you make custom web design or use the theme?
• Can you provide the portfolio?
• Do you provide case studies to showcase the results of your web design?
• What is the policy for building websites in comparison with the competitors?
• How do I get the timely work progress of the project?
• What are the types of travel technologies you are specialized in?
• Do you give round the clock support and also handling the updates of the applications?