Contact Manager API Demo

🚀 Professional Interface Ready

A complete web interface showcasing all API endpoints with modern design and professional UX/UI. Perfect for demonstrating to Upwork clients!

Launch Interface

JWT Authentication

Secure login/register with token validation

Contact Management

Full CRUD operations on contacts

Real-time Search

Instant contact search functionality

Responsive Design

Works perfectly on all devices

Smart Notifications

Real-time feedback for all actions

API Health Check

Monitor API status in real-time

🎯 How to Use the Demo:

  1. Click "Launch Interface" to open the main application
  2. Register a new account or use existing credentials
  3. Test all features: Add, edit, delete, search contacts
  4. Check API status using the Health Check button
  5. Use developer tools: Open console and try:
    • addDemoContacts() - Add sample contacts
    • testAllEndpoints() - Test all API endpoints
    • checkHealth() - Check API health

📊 API Endpoints Demonstrated

Authentication:
• POST /user/register
• POST /user/login
• GET /user/current
Contact Management:
• GET /contact/all
• POST /contact/add
• PUT /contact/update/{id}
• DELETE /contact/delete/{id}
Utilities:
• GET /health
• Real-time status monitoring
• Error handling & notifications