GraphQL Validator

GraphQL schema (SDL)

type Query {
  user(username: String): User
}

type User {
  username: String!
  friends: [User!]!
}1
type Query {
2
  user(username: String): User
3
}
4

5
type User {
6
  username: String!
7
  friends: [User!]!
8
}

GraphQL query

query {
  user(username: "alice") {
    friends {
      username
    }
  }
}1
query {
2
  user(username: "alice") {
3
    friends {
4
      username
5
    }
6
  }
7
}

Validation result

The GraphQL query validates successfully against the provided schema.