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 …

Find answers to the most common questions about GraphQL — from getting started to advanced use cases. This also covers frontend concerns and info about the official specification.

GraphQL supports three main operation types—queries, mutations, and subscriptions. We have already seen several examples of basic queries in this guide, and on this page, you’ll learn in …

There are many resources available to help you learn GraphQL, including this website. In our documentation, you’ll find a series of articles that explain essential GraphQL concepts and …

GraphQL allows you to add documentation to the types, fields, and arguments in a schema. In fact, the GraphQL specification encourages you to do this in all cases unless the name of the …

The reference implementation of the GraphQL specification, designed for running GraphQL in a Node.js environment.

Now that you understand the different phases of a GraphQL request and how responses are provided to clients, head over to the Introspection page to learn about how a GraphQL server …

The GraphQL Foundation is a neutral foundation that provides governance for GraphQL. This includes vendor-neutral oversight of open-source repositories, funding, events, and more.

This guide outlines common HTTP and GraphQL errors, what they mean, and how to debug them effectively. It follows the recommendations of the GraphQL over HTTP spec (draft), which …

Some articles introduce some of the philosophy developed within Facebook around designing and deploying GraphQL services, while others are more tactical suggestions for solving common …