📡 Multi-Channel Message Relay & AI Customer Service Assistant

This project is a powerful and flexible messaging relay system supporting OTPs and simple notifications through multiple communication channels, including Email, SMS, and Voice Calls. It is built to be robust, reliable, and highly available, leveraging advanced scheduling powered by Redis and offloading tasks to FastAPI Background Tasks or Celery Workers.

🚀 Features

• Multi-Channel Messaging: Seamlessly relay messages via Email, SMS, and Voice Calls.
• OTP Support: Secure one-time password delivery for authentication workflows. [In developement]
• Scheduling & Background Tasks: Efficiently manage message scheduling using Redis, with offloading handled by FastAPI Background Tasks or Celery Workers to ensure high reliability.
• Advanced Design Pattern: Utilizes a customized Decorator Design Pattern and IoC Container on top of FastAPI Routers for clean, maintainable, and reusable code.
• AI Customer Service Assistant: Leverages LLM (Large Language Models), RAG (Retrieval-Augmented Generation), and Knowledge Graphs for intelligent customer interactions. [In developement]
• Speech Capabilities: Integrates Speech-to-Text and Text-to-Speech for voice-based customer support. [In developement]
• Analytics & Logging: Sends analytics and information through Discord Webhooks and has a comprehensive logging setup for monitoring and debugging. [In developement]
• Data Retrieval: Access historical and real-time data through a Redis backend.
• Secure Communication:
  • Uses Custom Client JWT Tokens and Custom API Keys for secure communication.
  • RBAC Permission System and Rate Limiter to enhance security and reliability.
  • Blacklist JWT Tokens and Remote Token Issuance via an Admin Router for better control and security.
• Live Chat Support: Integrates a limited public WebSocket Endpoint to enable real-time live chat with users. [In developement]

🎯 Use Cases

• Multi-factor authentication via OTPs.
• Automated notifications and alerts.
• AI-powered virtual customer assistant for enhanced support experiences.
• Real-time customer interactions with live chat support.

🛠️ Tech Stack

• FastAPI: High-performance web framework for building APIs with python.
• Redis: Efficient scheduling, caching, and data retrieval mechanism.
• Celery: Distributed task queue for background processing.
• LLM, RAG, KG: AI capabilities for intelligent responses and support automation.
• WebSocket: Real-time communication for live chat functionality.
• Discord Webhooks: Sending analytics and system information.

🔐 Security & Reliability

• Custom JWT Tokens & API Keys for secure communication.
• RBAC Permission System to control access levels.
• Rate Limiter to prevent abuse and ensure high availability.
• Blacklist Mechanism to revoke compromised tokens.
• Admin Router for remote token management and enhanced security.

🔧 Installation & Setup

📄 License

This project is licensed under the Apache License.