API Integration & Setup

This category covers payment gateway integration, SMS/email gateway configuration, WhatsApp API setup, OAuth login integration, UPI/net banking setup, and API-based communication. It explains authentication methods, testing tools like Postman, security keys, webhook configuration, and error handling techniques. Users can learn how to connect third-party services with their website or software and automate key processes. This section is essential for clients who want to expand functionality through external services and maintain secure data transactions.