REST API Response Code Helper

An interactive, Swagger-inspired UI that explains REST API response codes with clear explanations, usage guidance, and real-world examples.

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🌍 Live Demo

👉 https://ramkumar-kollimalayan.github.io/rest-api-response-code-helper/

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🚀 Why this project?

Choosing the correct HTTP response code in REST APIs is often confusing and inconsistent. This project provides a simple, practical, and visual reference to help developers:

• Understand what each REST API response code means
• Know when to use specific response codes
• Follow REST-focused best practices
• Avoid common API design mistakes

This tool focuses only on REST APIs, not general browser-based HTTP behavior.

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🎯 Scope

This project focuses on:

• REST API best practices
• HTTP response codes used in APIs (1xx → 5xx)
• Real-world backend/API scenarios
• Swagger / OpenAPI–style understanding

This project does NOT cover:

• Browser-based HTTP responses
• HTML page responses
• Non-API HTTP use cases

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📚 What’s Included

• Categorized REST API response codes:
  • 🔵 1xx – Informational
  • 🟢 2xx – Success
  • 🔵 3xx – Redirection
  • 🟠 4xx – Client Errors
  • 🔴 5xx – Server Errors
• Clean, interactive card-based UI
• Clear descriptions for each response code
• “When to use” guidance
• Example JSON API responses
• REST-focused explanations (not protocol-heavy)

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📸 Screenshots

REST API Response Codes UI

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