Hello World is often the first program a person learning to code will write and the first example of a use case for a programming language. Following this tradition, we will show you how to write a Hello World program as an Apio app and offer several different ways to do so.

Apio was built as a microservice system, which means that a lot of its parts are decoupled into different services. In this post, we set out to answer the most popular question that comes up when building a microservice application, which is “what is the best tool to use when trying to communicate between nodes in the application?”

At its core, Apio is an integrated platform as a service (iPaaS). To understand what this means and how using iPaaS will impact your business, we’ve created an overview for you.