This small article aims be to a rough introduction to how the Phoenix endpoint works. It assumes intermediate knowledge of Phoenix and Elixir. The endpoint is the boundary where all requests to your web application start. It is also the interface your application provides to the underlying web servers. https://hexdocs.pm/phoenix/Phoenix.Endpoint.html While navigating through the documentation for Phoenix.Endpoint, the paragraph above caught my attention, it affirmed for me the importance of this module.