Send WhatsApp Messages in VBA / Visual Basic Script - Complete Guide

Automate WhatsApp messaging using VBA and the WhatsMate WA Gateway REST API

Posted on February 4, 2017   Share on Facebook Share on LinkedIn Share on Twitter Share on Google+

Last reviewed: January 28, 2026  

🚀 Automate WhatsApp Messaging with VBA

Looking to integrate WhatsApp messaging into your Microsoft Office automation? This guide walks you through sending WhatsApp messages using VBA (Visual Basic for Applications) and the WhatsMate WA Gateway REST API. Perfect for Excel, Access, and other Office users who want to automate notifications and messaging directly from their Microsoft Office applications.

📋 Prerequisites

Before you begin, ensure you have:

  1. A WhatsMate WA Gateway account - Required for API access
  2. Recipient registration - Each recipient must register with the Gateway first
  3. Microsoft Office - Excel, Access, or other Office application with VBA support
  4. VBA development environment - Access to the Visual Basic Editor (Alt + F11)
  5. Basic VBA knowledge - Familiarity with writing and running VBA macros

⚠️ Important: Recipients must register with the WhatsMate WA Gateway before they can receive messages. Unregistered users will not receive any messages from the Gateway. Registration instructions are available on the official WhatsMate site.

🎥 Video Walkthrough

📝 Step-by-Step Implementation

Follow these steps to send your first WhatsApp message from a VBA macro:

1. Copy the VBA Template

In your Excel, Access, or VBA development environment, define the following subroutines:

2. Configure a few Parameters

Customize these key parameters in the VBA code:

  • Line 15: Replace with your gateway instance ID
  • Lines 16-17: Update with your Client ID and Secret
  • Line 4: Specify the target phone number (including the country code) and your message content

3. Send Your Message

Run the VBA macro to deliver your WhatsApp message.

🔧 Common Use Cases

This VBA integration approach is ideal for:

  • Excel automation - Send WhatsApp notifications based on spreadsheet calculations or data changes
  • Access database workflows - Automate messaging from database events or queries
  • Office automation - Integrate WhatsApp into your business processes across Microsoft Office
  • Report distribution - Automatically send reports or alerts via WhatsApp

🚀 Get Started Today

Ready to automate WhatsApp messaging from your Microsoft Office applications? You’ll need a trial account to access the API. Sign up for a 2-week trial and start sending messages within minutes!

Next Steps: Once you’ve mastered basic message sending, explore advanced features like sending images, documents, or group messages through the WhatsMate API documentation.