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 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 …

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 …

In practice, however, GraphQL is as cacheable as any API that enables parameterized requests, such as a REST API that allows clients to specify different query parameters for a particular …

On this page, you’ll learn how to use mutation operations to write data using GraphQL, and do so in a way that supports client use cases. All of the features of GraphQL operations that apply to …

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 …

GraphQL Mesh allows you to use GraphQL query language to access data in remote APIs that don't run GraphQL (and also ones that do run GraphQL). It can be used as a gateway to other …

You can think of each field in a GraphQL query as a function or method of the previous type which returns the next type. This is exactly how GraphQL works—each field on each type is backed …

Sep 13, 2015 · Similar to SQL, this allows GraphQL to provide descriptive error messages before executing a query. It also plays well with the strongly typed native environments of Obj-C and …

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 …