Generate, valid, cache and mock in your frontend applications all with your OpenAPI specification

Powerful asynchronous state management, server-state utilities and data fetching for the web. TS/JS, React Query, Solid Query, Svelte Query and Vue Query.

Typesafe APIs Made Simple

Turn API specifications into production-ready SDKs, validators, mocks, and more. 20+ plugins. Millions of weekly npm downloads. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.

Generate TypeScript types from OpenAPI 3 specs

A modern data client for React and tRPC inspired by Relay and GraphQL

The Ultimate Toolkit for Generating Type-Safe API Clients, Hooks, and Validators.

React Hooks for Data Fetching

Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

The smart data fetching layer for Vue

The highly customizable and versatile GraphQL client with which you add on features like normalized caching as you grow.

Full-stack CRUD, simplified, with SSOT TypeScript entities

Relay is a JavaScript framework for building data-driven React applications.

The industry-leading GraphQL client for TypeScript, JavaScript, React, Vue, Angular, and more. Apollo Client delivers powerful caching, intuitive APIs, and comprehensive developer tools to accelerate your app development.