Zavu is a unified messaging platform for AI-driven and modern apps, supporting WhatsApp, SMS, and Email through one API. It automatically adapts content per channel, optimizes delivery and costs, and provides webhooks, analytics, and SDKs for rapid integration. Features include fallback logic, sender reputation monitoring, number management, and direct compliance with official routes (10DLC, WhatsApp Cloud API, Email). Teams reduce messaging complexity and spend while maintaining reliable delivery at global scale.