Invoicify

Problem Statement

Invoicify revolutionizes business cash flow by enabling instant invoice factoring using PayPal's PYUSD stablecoin. Businesses can upload their outstanding invoices and receive immediate PYUSD payments instead of waiting 30-90 days for traditional payment cycles.Key Features: • Instant invoice processing with AI-powered data extraction • Real-time PYUSD payments via smart contracts on Ethereum • 2.5% cashback for customers paying with PYUSD • Liquidity pool for investors earning 8-15% APR • Pyth Network price feeds for real-time PYUSD/USD rates • ENS integration for human-readable addressesThe platform uses a hub-and-spoke model where the smart contract acts as the central hub, managing liquidity pools, processing payments, and distributing returns to investors. Customers get instant settlement while investors earn yield from the 2.5% fees collected on each transaction.Built for modern businesses that need fast, reliable invoice financing without traditional banking delays or credit checks.

Solution

Invoicify is built as a full-stack Web3 application combining modern frontend technologies with Ethereum smart contracts and real-time data feeds.Frontend Architecture: • React + TypeScript with Vite for fast development and optimized builds • React Router for client-side navigation between business, customer, and investor flowsWeb3 Integration: • Wagmi + Viem for Ethereum wallet connections and smart contract interactions • Custom hooks for invoice factoring, liquidity management, and PYUSD transfers • ENS (Ethereum Name Service) integration for human-readable addresses • MetaMask and WalletConnect for multi-wallet supportReal-time Data: • Pyth Network integration for live PYUSD/USD price feeds • Custom hooks with 2-minute polling intervals for price updates • HermesClient for fetching official Pyth price dataSmart Contract Layer: • Solidity contracts deployed on Ethereum Sepolia testnet • Invoice factoring logic with automatic quote calculations • Liquidity pool management with investor returns distribution • PYUSD token integration for all payments and settlementsThe application successfully combines traditional invoice factoring with modern DeFi mechanics, creating a seamless bridge between Web2 business processes and Web3 financial infrastructure.