PayCow

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About

PayCow is a ready-to-deploy crypto payment gateway built for merchants and developers who want to accept USDT payments through a simple API.The project includes a complete Node.js/Express backend, MongoDB database architecture, operator dashboard, admin functionality, authentication system, API key management, blockchain transaction monitoring, payment confirmation logic, balance tracking, withdrawals, and automated background jobs.Core features include:• REST API for merchant integrations• Dynamic payment address generation• USDT payment support across ERC-20 and TRC-20 networks• Ethereum (ERC-20) and TRON (TRC-20) blockchain transaction monitoring• Real-time payment status tracking• Blockchain confirmation handling• Operator accounts and API key management• Balance and transaction history• Withdrawal workflow• Admin and dispute management• Email OTP and password recovery• Rate limiting and security controls• Automated cleanup and scheduled tasks• Configurable payment limits and system settingsThe backend is built with Node.js, Express, MongoDB/Mongoose, JWT, bcrypt, Ethers.js, Nodemailer, node-cron, and blockchain integration components for both Ethereum/ERC-20 and TRON/TRC-20 networks.The sale is for the PayCow software project and its associated digital assets. The legal entity/company is NOT included in the sale.This is suitable for a developer, entrepreneur, fintech company, or Web3 team looking to launch or expand a crypto payment product without building the underlying infrastructure from scratch.