Latest Posts
Latest updates, guides, and insights about messaging APIs
The free 24-hour window is ending. From October 1, service messages and utility templates inside an open window are billable. What changes, what stays free, and why Zavu never bills you for any of it.
How much WhatsApp Business API actually costs in 2026: pricing per conversation category, Zavu vs Twilio vs MessageBird comparison and a real-world calculator.
Real hidden costs of WhatsApp Business API in 2026: BSP fees, setup charges, template review delays, and how to keep your bill predictable.
Straight-to-the-point WhatsApp API pricing in 2026: per-conversation rates by country, BSP comparison, and a calculator for typical use cases.
Everything developers need to know about messaging APIs in 2026: SMS, WhatsApp, Email APIs, multi-channel platforms, and how to pick the right one.
How Twilio's WhatsApp API pricing actually breaks down in 2026, where they add markup, and which alternatives save you money at scale.
Everything that changed in WhatsApp Business API in 2026: pricing tiers, AI features, regional changes, and what's coming next.
Latest WhatsApp Business API news for developers: feature releases, pricing updates, deprecations and what's coming. Updated regularly.
How WhatsApp Business actually works in 2026, differences between the free app and the official API, and when migrating to programmatic access pays off.
What WhatsApp Business is, who should use it, and the difference between the free app and the official API. Simple guide for businesses in 2026.
How to set up automatic replies on WhatsApp Business — greeting, away message, quick replies. Step by step in the app and via API with code.
How to create broadcast lists in WhatsApp Business, the 2026 limits, and when to use API broadcasts for larger volumes.