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GraphQL · Function

concatAST

GraphQL is a query language for client applications. Clients describe the data they need, and a service returns data through a shared type system and interface.

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Syntax

query Name($variable: Type) { field(argument: $variable) { nestedField } }

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  • query
  • type system
  • application services
  • data requirements
  • GraphQL schema

Source: GraphQL September 2025 Specification. Checked 2026-11-03.