Open Source Alternatives to WhatsApp Business API

A customer communication platform that enables medium and large businesses to communicate with customers at scale. It allows companies to integrate WhatsApp messaging into their own existing software systems, CRM, and customer support tools to manage high volumes of conversations. The product supports automated messaging, multi agent management, and the creation of structured message templates for notifications and customer service. It is designed for organizations that require a programmatic way to send and receive messages, manage customer data, and maintain a verified business presence on the platform. The system is deployed via Business Solution Providers or through the Meta Cloud API to facilitate technical integration. It provides a way for businesses to reach customers on a widely used messaging app while maintaining control over the user experience and data flow.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to WhatsApp Business API give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 1 open source alternative to WhatsApp Business API. The most popular is ejabberd. It uses the GPL-2.0 license and ships an official Docker image.