Building REST APIs is becoming an ever more common task for PHP developers to do and whilst the task may often sound simple in that it involves reading some input, and getting (or persisting) to a data source and returning some JSON, there are a lot of common pitfalls and complications that you might encounter along the way. In this talk we'll look at how we can build a simple maintainable REST API using the Symfony components that can perform some simple operations in ways that are clean and simple.