Build with WhatsApp

Use WhatSync as the WhatsApp layer for your code, workflows and agents.

API

Call existing WhatsApp tools using an account-scoped API key.

API quickstart

Webhooks

Start your own workflows when messages arrive or a connection needs attention.

Webhook guide

MCP

Use the same WhatsApp tools in your own agent framework with OAuth or an API key.

MCP guide

Build group replies, CRM updates, email notifications and AI workflows in the tools you already use. WhatSync supplies messages and actions; your workflow decides what happens next. API keys and webhooks are part of the Business plan and up.

Create a key or webhook