A Brief Overview of GraphQL

GraphQL is a query language designed to make data fetching easier. It allows you to get data from the server to the client. It is language agnostic and became open source in 2015.


  • Input types include: integer, float, string, boolean, null, enum, list, object
  • It has a built-in documentation for the schema
  • Can create operation names to help identify different queries
  • Creates changes through mutations
  • API determines what mutations are allowed


  • Avoids multiple REST calls
  • Is backward compatible and version-free
  • Can wrap around existing APIs
  • Queries can have comments


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