API and Web service serve as a means of communication. The only difference is that a Web service facilitates interaction between two machines over a network. An API acts as an interface between two different applications so that they can communicate with each other. An API is a method by which the third-party vendors can write programs that interface easily with other programs.
Turn your system into a machine-to-machine data-oriented exchange platform. Simplify workflows by making your clients and suppliers closer to you.
Connect your business to any open or popular API you want. Facebook, Twitter, LinkedIn, along with the major players in your industry, such as Booking.com or Airbnb for hospitality, or adservers and trading desks for the media industry.