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 …

GraphQL is a query language for your API, and a server-side runtime for executing queries using a type system you define for your data. The GraphQL specification was open-sourced in 2015 …

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 …

The GraphQL Foundation’s Composite Schema Working Group, which includes engineers from various organizations across the industry including Apollo GraphQL, ChilliCream, Graphile, …

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 …

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 …

Whether the GraphQL implementation provides partial data with the error information in the response will depend on the type of error that was raised. Let’s look at the different kinds of …

May 30, 2025 · Thanks to funding from the GraphQL Foundation, I’m working on migrating GraphiQL to the Monaco code editor — a long-awaited update that’s been on our roadmap for …

Now that we know how to use a GraphQL server to read and write data, we’re ready to learn how to fetch data in real time using subscriptions. You may also wish to learn more about how …

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 …