What is WhatsApp Business API? The Complete Guide for 2026

WhatsApp Business API is a programmable interface that allows medium to large businesses to broadcast messages to unlimited users, automate customer support with chatbots, and integrate with CRM systems. Unlike the free WhatsApp Business App, the API enables enterprise-scale customer communication.

• WhatsApp Business API Pricing in Singapore (2026 Guide)
• Understanding WhatsApp Business Messaging Limits
• WhatsApp 24h Rule Explained: How Businesses Can Message Customers Again
• WhatsApp Template Best Practices: Get Approved, Avoid Rejection (2026 Guide)
• WhatsApp Business API docs