Skip to content
masterclass Buddy

GraphQL · Class

Lexer

GraphQL is a typed query language for APIs and a server runtime for executing queries. It works with existing application code and data sources.

Last updated

Syntax

query { field }

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

Subscribe
  • Schemas and Types
  • Queries
  • Validation
  • Execution
  • Response
  • Serving over HTTP

Source: Introduction to GraphQL. Checked 2026-11-03.