# Schema Design GraphQL API

GraphQL uses a strong type system to define the shape of data that can be queried. GraphQL schemas define types, queries, mutations, and subscriptions that form the contract between clients and servers.

**Endpoint:** https://graphql.org

**Documentation:** https://graphql.org/learn/schema/

**References:**

- Documentation: https://graphql.org/learn/schema/
- Reference: https://spec.graphql.org/