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Transform Your Fitness Journey with AI

FitAiid is a comprehensive fitness platform that combines artificial intelligence with proven training methodologies to deliver personalized workout routines, nutrition guidance, and real-time progress tracking.

Quick Start

Get up and running in minutes

API Reference

Explore the complete API documentation

Core Features

Discover what FitAiid can do

Deployment Guide

Deploy your own instance

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Key Features

AI-Powered Workouts

Generate personalized training routines using OpenAI based on your fitness level, goals, and available equipment

Nutrition Plans

Custom meal plans tailored to your fitness objectives and dietary preferences

Progress Tracking

Real-time statistics and achievement tracking to monitor your fitness journey

Push Notifications

Stay motivated with workout reminders and progress updates delivered directly to your device

Google OAuth

Secure authentication via Firebase with Google sign-in support

Premium Plans

Stripe integration for subscription management and payment processing

PWA Support

Progressive Web App with offline capabilities and native app-like experience

Admin Dashboard

Comprehensive user management and analytics for administrators

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Technology Stack

FitAiid is built with modern, production-ready technologies:

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Backend

  • Node.js + Express - Fast, scalable REST API
  • MongoDB + Mongoose - Flexible document database with elegant ODM
  • OpenAI API - AI-powered workout generation
  • Stripe - Secure payment processing
  • Firebase Admin SDK - Authentication and user management
  • JWT - Stateless authentication tokens
  • Winston - Structured logging with daily rotation

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Frontend

  • HTML5 + CSS3 + JavaScript - Vanilla JavaScript for maximum performance
  • Service Workers - Offline support and background sync
  • Web Push API - Native push notifications
  • PWA Manifest - Installable progressive web app

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Security

  • Helmet - Security headers and best practices
  • Rate Limiting - Protection against abuse (100 requests per 15 minutes)
  • Input Validation - Express-validator for request sanitization
  • XSS Protection - xss-clean middleware
  • MongoDB Sanitization - Prevention of NoSQL injection attacks

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Architecture

┌─────────────────────────────────────────────────┐
│           Frontend (Vercel CDN)                  │
│  HTML5 + CSS3 + JavaScript + Service Worker     │
└────────────────┬────────────────────────────────┘
                 │ HTTPS / REST API
┌────────────────▼────────────────────────────────┐
│          Backend API (Railway)                   │
│  Node.js + Express + Security Middleware        │
│  ├─ Authentication (JWT + Firebase)             │
│  ├─ OpenAI Integration                          │
│  ├─ Stripe Payments                             │
│  └─ Push Notifications                          │
└────────────────┬────────────────────────────────┘
                 │ MongoDB Driver
┌────────────────▼────────────────────────────────┐
│         Database (MongoDB Atlas)                 │
│  Collections: users, workouts, orders, etc.     │
└─────────────────────────────────────────────────┘

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Use Cases

Build AI-powered personal training applications that adapt to user fitness levels and goals
Create comprehensive gym management platforms with member tracking and workout scheduling
Deploy enterprise wellness solutions with team challenges and progress tracking
Launch subscription-based fitness content platforms with premium workout programs

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Getting Started

1

Explore the Platform

Review the features and API documentation to understand FitAiid’s capabilities
2

Follow the Quickstart

Set up a local development environment with our quickstart guide
3

Deploy to Production

Deploy your own instance using our deployment guides for Railway and Vercel

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Support & Community

GitHub Repository

View source code and contribute

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