Discover how frontend engineers, QA teams, and educators use Playground API to build production-grade web applications, reactive state stores, and automated test pipelines with zero backend infrastructure.
A complete, production-ready React 18 e-commerce application featuring dynamic catalog management, interactive cart drawer, simulated JWT authentication, and isolated session sandbox mutations.
Uses /custom/products to let users create, edit, and delete products with persistent session overlays.
Reactive cart drawer with real-time tax calculation, coupon codes, and simulated order submission.
Full login loop with /auth/login and protected user profile hydration.
Tests skeleton loaders seamlessly with artificial latency using ?_delay=1200.
Explore architectural patterns demonstrating how Playground API satisfies complex frontend scenarios:
Full-stack server-side rendered blog with Server Actions, optimistic cache invalidation, and zero database setup.
WebSocket chat room with automated presence bot, typing indicator events, and room-scoped message broadcasting.
Export sandbox snapshots and isolate parallel GitHub Actions workers with X-Playground-Identity.
Playground API provides full bidirectional WebSockets. Connect your client and immediately receive automated responses from our live echo and presence bot:
Have you built a React, Vue, Svelte, or Mobile tutorial or application using Playground API? Open a pull request or issue on GitHub to be featured here!