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# The Life of an API Gateway Request (Part 2)
In this two-part series, Kong Engineer, Enrique García Cota abstracts how an API gateway processes requests into four different layers.
In [part 1](https://www.youtube.com/watch?v=gnX_uBh0KOc&t=0s)part 1 of this series, we started a journey from the planet-spanning infrastructure layer to what happens inside a single Kong worker, similar to an office building in complexity.
In this second part, we'll dive a bit deeper—we’ll see who the occupants of that office building are and the kind of life they live.