USSD Simulator

A modern, browser-based USSD (Unstructured Supplementary Service Data) simulator built with React, TypeScript, and Tailwind CSS. Test and debug your USSD applications with an intuitive phone dialer interface and comprehensive session management.

Features

Core Functionality

• Interactive Phone Dialer with authentic keypad interface
• Real-time Session Management with message history
• HTTP API Integration for connecting to USSD gateways
• Session Persistence using Local IndexedDB storage

User Interface

• Responsive Design for desktop, tablet, and mobile
• Dark Theme Support with shadcn/ui components
• Visual Feedback with loading states and error handling
• Intuitive Navigation for session switching and history

Configuration Options

• Custom Endpoints for your USSD gateway URL
• Session Parameters for phone numbers and network codes
• Quick Presets for development and production environments
• Auto-generation of session IDs