SMSHub

Overview

SMSHub is a full-stack web application that allows professionals and businesses to centralize and manage their SMS communications. Users connect their own Twilio account and access an intuitive interface to send, receive, and organize their messages—just like a modern messaging app.

The Problem

Businesses using Twilio for SMS often struggle with:

No proper interface to manage conversations
Difficulty tracking customer interactions
Manual processes for common responses
No centralized inbox for team collaboration

The Solution

SMSHub provides a Messenger-like experience for Twilio SMS with enterprise-grade features:

💬

Real-time Messaging

WebSocket-powered instant message delivery and notifications

🔐

Bank-level Security

Fernet encryption for credentials, hashed passwords, unique webhooks

👥

Contact Management

Tags, categories, notes, custom statuses for each contact

⚡

Message Templates

Pre-configured quick replies for common responses

🔗

Custom Webhooks

Each user gets a unique URL to receive incoming SMS

💳

Stripe Subscriptions

Free/Pro plans with message limits and billing

Technical Architecture

Frontend

HTML/CSS/JS Socket.io Client Responsive UI

↓

Backend

Flask Flask-SocketIO Flask-Login

↓

Services

Twilio API Stripe API Webhooks

↓

Data

PostgreSQL Fernet Encryption Multi-tenant Isolation

Security Measures

Passwords hashed with Werkzeug security
Twilio credentials encrypted with Fernet (symmetric encryption)
Unique webhook tokens per user
Complete data isolation between tenants
HTTPS enforcement in production
Rate limiting on API endpoints

Project Info

Type SaaS Platform

Status ● Live

Duration 3 months

Role Full-Stack Developer