We live our lives interacting with innumerous services in the digital world. Behind this convenience lies an unnoticeable "magic" called API. In this post, I'll define the core generalities of an API in just three lines so that indeed AI newcomers can fluently understand them. We'll also explore five specific real-world exemplifications of how APIs enrich our diurnal lives. --- Table of Contents 1. What's an API? – The 3-Line Core Description 2. 5 Real-World Exemplifications of 'API Magic' 3. API from a Non-Developer’s Perspective: My Story 4. Conclusion & Affiliated Posts --- 1. What's an API? – The 3-Line Core Description The smartphone apps and websites we use every day interact by swapping data. The essential "pledge" and "ground" that enables this commerce is the API (Application Programming Interface). The Core Definition of an API: 1. The 'Interface' for Communication: An API is a point of contact for two programs...