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API Service Manager

Ever needed to build a website but the server wasn't ready yet? This tool solves that problem. Simply upload your API specification file, and it instantly creates a working mock server that returns realistic fake data. Perfect for frontend developers who want to start building immediately without waiting for the backend team.

Demo

API Service Manager demo

Architecture

The app has two main parts: a React-based interface where you manage your APIs, and a mock server that pretends to be your real backend. When you upload an API specification, the app reads it, understands all the endpoints, and automatically generates appropriate fake responses.

API Service Manager architecture

How It Works

Upload your API specification file (like a blueprint of your server), and the tool reads it to understand what data your app expects. It then creates a fake server that responds just like the real one would. You can test different endpoints, see what responses look like, and even edit them. Great for development, demos, and testing without needing the actual backend.

Tech Stack

React
GraphQL
Apollo
OpenAPI
Express

Key Features

1Schema Import
2Mock Responses
3REST & GraphQL
4Endpoint Management

Performance & Best Practices

Performance Metrics

  • Lighthouse score 90+
  • Passing Core Web Vitals
  • Optimized images & lazy loading

Best Practices

  • WCAG 2.1 AA compliant
  • SEO optimized
  • Fully responsive design