Engineering & API Integration
The Technical Team at Whats91 specializes in WhatsApp Cloud API implementation, webhook development, and enterprise integrations. Our engineers have built scalable messaging infrastructure serving millions of messages daily, with deep expertise in Busy ERP integration, CRM connectivity, and custom chatbot development.
How the new 6-hour logout rule affects unofficial WhatsApp APIs, and a complete guide to migrating to the official WhatsApp Cloud API with co-existing or brand name options.
Discover how integrating WhatsApp with Busy Accounting Software automates invoice delivery, payment reminders, and customer inquiries. Real examples from Indian businesses.
