Guides and notes on building with WhatsApp.
09:40Tutorials, technical guides and product updates from the Wazen team.

API Rate Limiting: Protect Capacity Without Surprising Clients
Design API rate limits that protect capacity, allow sensible bursts and give clients clear guidance with HTTP 429 and Retry-After.
, by System Admin
Webhook Signature Verification: Protect Events from Spoofing and Replay
A practical guide to webhook signature verification, timestamp checks, replay protection and idempotent event handling.
, by System Admin

Building Reliable Webhook Consumers: Retries, Queues and Idempotency
Build reliable webhook consumers by planning for retries, duplicate events, slow processing, sensitive payloads and out-of-order delivery.
, by System Admin

Securing WhatsApp API Webhooks: A Production Checklist
A practical guide to securing WhatsApp API webhooks with event verification, idempotency, payload validation, rate limits and privacy-aware logging.
, by System Admin

Unofficial WhatsApp API: Affordable, Flexible & Reliable Alternative
Discover how unofficial WhatsApp APIs offer a cost-effective, developer-friendly alternative for building messaging automation without enterprise price tags.
, by System Admin
Official WhatsApp Business API vs Unofficial APIs: Which One Do You Actually Need?
Meta's official WhatsApp API sounds great until you hit the approval process, per-conversation fees, and rate limits. Here's how to choose the right tool for your project.
, by System Admin
