This document provides an overview and introduction to Akka HTTP, a Scala library built on Akka Streams for HTTP-based applications. Some key points:
- Akka HTTP uses Akka Streams to model HTTP requests and responses as streaming data flows.
- It allows building both HTTP clients and servers by composing stream processing stages together.
- Common directives and operations like routing, marshalling, validation, and testing are supported through a high-level API.
- Examples demonstrate basic usage like creating a route that returns XML, running a server, and writing tests against routes.