Social media customer engagement is vital for modern businesses. While the WhatsApp Business API traditionally focused on 1:1 chats and mass broadcasts, Meta’s WhatsApp Groups API now enables automated, multi-party messaging. Built for high-value consultations, VIP service, and complex case resolution, this guide breaks down how the WhatsApp Groups API works, its key limits, top use cases, and setup steps. Key Takeaways・Invite-Only: Users must join voluntarily via an invite link (capped at 8