Developer API

Whatsapp Business API

How to Send a WhatsApp Template Message Using the API

Building a WhatsApp notification system? This guide covers all three ways to send template messages via Chakra's API, the two different variable-substitution patterns, handling errors 131049 and 131026, delivery tracking via webhooks, and rate-limited bulk sending.

Whatsapp Business API

Chakra Chat API: Complete Developer Guide for WhatsApp Automation

The guide to read before opening the API docs. Covers what Chakra's API adds over raw WhatsApp Cloud API access, authentication, the six core capability areas, rate limits, webhooks with HMAC validation, the SDK, and real integration patterns.