Streamlined B2B payment integration for Kenyan businesses using M-Pesa Business-to-Business services
# M-Pesa Business Buy Goods API
> Streamlined B2B payment integration for Kenyan businesses using M-Pesa Business-to-Business services
## Overview
The M-Pesa Business Buy Goods API provides a robust, production-ready solution for businesses to integrate M-Pesa B2B payment functionality. This system enables automated business-to-business transactions, allowing companies to seamlessly process payments through Kenya's most trusted mobile money platform.
Built with enterprise-grade security and reliability in mind, this API handles authentication, transaction processing, and real-time status updates while maintaining PCI DSS compliance standards for financial transactions.
Whether you're building an e-commerce platform, supply chain management system, or any business application requiring automated payments, this API provides the foundation for secure M-Pesa integration.
## Key Features
- **Secure B2B Transactions** - Process business payments with encrypted credential handling
- **Real-time Transaction Status** - Instant callback processing and status updates
- **OAuth 2.0 Authentication** - Enterprise-grade security with Safaricom's API
- **RESTful API Design** - Clean, intuitive endpoints for easy integration
- **Transaction Validation** - Built-in validation for payment parameters and business rules
- **Error Handling** - Comprehensive error responses with actionable messages
- **Health Monitoring** - System health checks and performance metrics
- **CORS Support** - Cross-origin resource sharing for web applications
## Tech Stack
- **Runtime**: Node.js 14+
- **Framework**: Express.js 4.18.2
- **HTTP Client**: Axios 1.5.0
- **Security**: OAuth 2.0, encrypted credentials
- **API Integration**: Safaricom M-Pesa Daraja API
- **Development**: Nodemon 3.0.1
## Installation & Setup
### Prerequisites
- Node.js 14.0.0 or higher
- M-Pesa Business Account with Safaricom
- API credentials from M-Pesa Developer Portal
### Quick Start
1. **Clone the repository**
` …