Building a JSON API with Rails 5

Rails is great for making traditional server-rendered web applications. It has support for cookies, sessions, and other browser-specific functionality right out of the box. It’s also great for building JSON APIs, but why include a whole bunch of functionality that we aren’t going to use if what we want is to simply build a JSON API?

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https://blog.codeship.com/building-a-json-api-with-rails-5/