As you all know, Rails is very popular for creating a web application in a short amount of time. Today, developers tend to separate concerns in their application by creating an API for the backend and consume it with any library of their choice.

GraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data. GraphQL provides a complete and understandable description of the data in your API, gives clients the power to ask for exactly what they need and nothing more, makes it easier to evolve APIs over time, and enables powerful developer tools.

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