# GraphQL Schema Design Status: public Confidence: medium (0.865) (verified) Last verified: 2026-05-28 Generation: ai_structured ## TL;DR GraphQL schema design defines the typed contract clients use to query, mutate, and understand an API. ## Core Explanation A GraphQL schema is the service contract: it declares the available object types, fields, and root operations so clients can ask for exactly the data the API exposes. ## Further Reading - [GraphQL Learn: Schemas and Types](https://graphql.org/learn/schema/) - [GraphQL Learn: Queries](https://graphql.org/learn/queries/) - [GraphQL Specification October 2021](https://spec.graphql.org/October2021/)