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 and predictable.

Learn how GraphQL federation enables modular, scalable APIs by composing services into a unified schema. Learn about common 'graphql-http' errors and how to debug them. Show more Tutorials …

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 …

Schemas and Types Learn about the different elements of the GraphQL type system The GraphQL type system describes what data can be queried from the API. The collection of those capabilities is …

Introduction to GraphQL Learn about GraphQL, how it works, and how to use it GraphQL is a query language for your API, and a server-side runtime for executing queries using a type system you …

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 …

A collection of tools and libraries for GraphQL Apache APISIX is a dynamic, real-time, high-performance API gateway providing rich traffic management features such as load balancing, dynamic upstream, …

Feb 27, 2026 · Training Courses A number of GraphQL training courses are available: GraphQL-JS tutorial Yoga GraphQL Server Tutorial: Open source tutorial for creating modern GraphQL Servers in …

GraphQL is a specification typically used for remote client-server communications. Unlike SQL, GraphQL is agnostic to the data source(s) used to retrieve data and persist changes. Accessing and …

May 30, 2025 · I’m thrilled to announce the release of GraphiQL 4.1! 🎉 Thanks to funding from the GraphQL Foundation, I’m working on migrating GraphiQL to the Monaco code editor — a long …