Create a Microservice in Rails with minimal ceremony

This gem provides:transparent API key authentication.router-level API version based on headers.a way to document your microservice endpoints via acceptance tests.structured errors, buildable from invalid Active Records, Exceptions, or by hand.This, plus much of what you get from Rails already, means you can create a microservice Rails application by just writing the same Rails code you write today. Instead of rendering web views, you render JSON (which is built into Rails).