How To Build An API? A Developer’s Guide To API Platform

Author : David Johansen | Published On : 16 May 2026

In the article, I will introduce how to quickly and easily create an API using Symfony and the API platform. This library provides fully functional CRUD, pagination, validation, and documentation it allows the use of GraphQL. Below I’ll show you how the API platform works using a simple application example.

Guide to API platform

Installation

The easiest way to start working with the API platform is to download a ready-made package from GitHub. It contains all the necessary components you need to create your first project. After unpacking the content and running it with docker-compose up the complete development environment will start.