What is GraphQL? GraphQL is an open‑source query language for APIs and a server‑side runtime. It provides a strongly‑typed schema to define relationships between data, making APIs more flexible …

In this tutorial-style introduction to GraphQL, you'll learn the core concepts that power every GraphQL API. Follow a step-by-step path from basic queries to advanced features.

Queries Learn how to fetch data from a GraphQL server GraphQL supports three main operation types—queries, mutations, and subscriptions. We have already seen several examples of basic …

GraphQL supports schema documentation using type, field, and argument descriptions, and it also supports comments that are ignored by the parser Now that you understand the key features of the …

Though not yet finalized, this draft specification acts as a single source of truth for GraphQL client and library maintainers, detailing how to expose and consume a GraphQL API using an HTTP transport.

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Getting Started Why should I use GraphQL? It depends on your use case, but in general, GraphQL has a few key features that stand out. For example, GraphQL enables you to: Aggregate data from …

GraphQL Best Practices The GraphQL specification is intentionally silent on a handful of important issues facing APIs such as dealing with the network, authorization, and pagination. This doesn’t …

Meta (formerly Facebook), where GraphQL was created, has continued to use a monolithic GraphQL API since 2012. However, companies like Netflix, Expedia Group, Volvo, and Booking have adopted …

Schema Design Design and evolve a type system over time without versions Versioning While there’s nothing that prevents a GraphQL service from being versioned just like any other API, GraphQL …