Guides
Written from the code and from real use. Every step here has been run against the product itself.
- WhatsApp5 min read
The 1 October 2026 WhatsApp pricing change — what actually moves
Meta stops giving away ordinary replies inside the 24-hour window, and starts charging for utility templates sent within it. Here is exactly what changed, by how much, and what is still free.
Read the guide - WhatsApp4 min read
The official WhatsApp channel — how it works and its limits
Cloud API is the only WhatsApp channel in Fasla Cloud. This guide explains its cost, its limits, and its template requirements.
Read the guide - Templates7 min read
WhatsApp templates — how to get one approved first time
Most rejections happen for the same handful of simple reasons. This counts them off.
Read the guide - Campaigns6 min read
Your first broadcast — without getting your number banned
The first campaign is the most dangerous one a number ever sends. Here's how to do it safely.
Read the guide - Developers5 min read
The public API — your first request in five minutes
Wire your store or internal system into the platform. One key, one header, an ordinary HTTP request.
Read the guide