Online Travel Agencies are online companies whose websites allow consumers to book various travel related services directly via the Internet, such as hotels, cars, flights, vacation packages, etc. Travel shopping through online agencies has become very popular nowadays. Today's people are always on the move, and the advantage offered by the Online Travel Agency consists of the possibility of having many advantageous offers within Smartphone's reach. Also, these OTAs provide an immediate payment system with booking confirmation. Using LeadsBridge, it will be possible to integrate OTAs with the leading payment gateway services such as Paypal, Google Pay, SumUp, and many others.