Clone this git repo and use sbt run to start the Akka Http server.
Uses swagger-akka-http-with-ui which is built using swagger.io libs. UI is included as webjar.
Test using the Swagger UI at http://localhost:12345/api-docs and by opening the swagger.json at http://localhost:12345/api-docs/swagger.json
The Swagger UI can be used to send sample requests.