GraphQL is a query language that is used for APIs and runtime for attaining several queries for existing data. GraphQL proffers an entire and understandable of the data in APIs. It very much helps the clients to question what exactly they need. GraphQL makes it easy to evolve APIs over the time and also enables the powerful developer tools. We can create Schema of our own with help of GraphQL, which can be organized in terms of fields and types. It is also used for optimizing flexibility and performance. It will certainly give you what you need in a response, and you get exactly the predictable result in its response.