Fundamentals#

Master the core concepts of GraphQL API development. This section covers everything you need to understand GraphQL basics and build your first schemas.

What You’ll Learn#

  • GraphQL basics - Installation, schema definition, and type system
  • Data operations - Queries, mutations, and input validation
  • Advanced types - Enums, interfaces, and polymorphism
  • Data integration - Pydantic, dataclasses, and async patterns

Topics in This Section#

These topics build on each other naturally:

  1. Getting Started - Installation and your first GraphQL API
  2. Schema Definition - Core concepts and decorator patterns
  3. Field Types - Complete type system and scalars
  4. Object Types & Relationships - Complex data modeling
  5. Mutations & Input Types - Data modifications and validation
  6. Enums & Interfaces - Advanced type modeling
  7. Pydantic & Dataclasses - Data validation integration
  8. Async & Subscriptions - Real-time and async patterns

What’s Next#

Once you’re comfortable with the fundamentals, you can move on to Building Applications to create complete CRUD applications with mutations and validation.

Getting Started Forward