Technology Architecture
Exploring the cutting-edge technologies powering Ainterview's revolutionary AI interview preparation platform
🚀 x402 Protocol Implementation
Complete Protocol Compliance
Full HTTP 402 response implementation with detailed payment metadata
AI agents can execute transactions autonomously without human intervention
Two-Phase Verification
Dual security layer combining blockchain verification with database validation
Blockchain + database verification for maximum security and reliability
Multi-Token Architecture
Support for USDC, USDT, and Phantom CASH tokens on Solana network
Seamless multi-token payments with automatic exchange rate handling
Micropayment Optimization
$0.10 per AI interaction enabling sustainable freemium business model
Ultra-low transaction fees enable micro-payments for individual AI interactions
Complete Technology Stack
🤖AI & Machine Learning
Gemini 2.5
Advanced AI model powering personalized interview questions and real-time feedback analysis
- Natural language processing
- Context understanding
- Real-time response generation
AI Interview Simulator
Custom AI engine trained on job-specific requirements and company culture
- Hyper-personalization
- Dynamic question generation
- Behavioral analysis
⛓️Blockchain & Payments
x402 Protocol
Revolutionary micropayment protocol enabling autonomous AI service transactions
- HTTP 402 compliance
- 97% cost reduction
- Autonomous payments
Solana Integration
High-speed blockchain infrastructure for instant, low-cost transactions
- Sub-3 second confirmations
- Multi-token support (USDC, USDT, CASH)
- Phantom wallet integration
⚡Frontend & Backend
Next.js Application
Modern React framework with server-side rendering and optimized performance
- Server-side rendering
- API routes
- TypeScript support
- PWA capabilities
Real-time Credit System
Dynamic credit tracking with instant updates and balance synchronization
- Live credit updates
- Real-time synchronization
- Persistent storage
🗄️Database & Auth
Supabase PostgreSQL
Robust database schema with real-time subscriptions and advanced querying
- PostgreSQL schema
- Real-time subscriptions
- Row-level security
- Advanced indexing
JWT Authentication
Secure authentication system with Supabase integration
- JWT-based auth
- Session management
- Secure API access
- User role management
Innovation Highlights
AI-Powered Personalization
Hyper-personalized interview questions generated by Gemini 2.5 based on job postings and company culture
Autonomous Payments
First AI service to implement full x402 protocol for autonomous micropayment transactions
Real-time Analytics
Advanced performance tracking with instant feedback and progress visualization
Technical Architecture
Performance Metrics
- • 97% payment cost reduction compared to traditional processors
- • Sub-3 second transaction confirmations
- • 99.9% uptime with serverless architecture
- • Real-time synchronization across all components
Scalability
- • Serverless AI API with auto-scaling
- • Edge computing for global performance
- • Microservices architecture for modular scaling
- • CDN distribution via Vercel infrastructure