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GraphQL Reference

A query language for APIs and a runtime for fulfilling those queries with data. Essential syntax and code samples for professional development.

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Query

query { user(id: 1) { name } }

Mutation

mutation { add(msg: "Hi") { id } }

Variables

query($id: ID!) {
  user(id: $id) { name }
}

Fragments

fragment UserInfo on User {
  id, email
}

Directives

name @include(if: $shown)

Schema

type User {
  id: ID!
  name: String
}

Developer Utilities

PDF Toolkit

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