Send WhatsApp Messages in Python 3 - Complete Guide

Automate WhatsApp messaging using Python 3 and the WhatsMate WA Gateway REST API

Posted on May 3, 2022   Share on Facebook Share on LinkedIn Share on Twitter Share on Google+

Last reviewed: January 28, 2026  

🚀 Automate WhatsApp Messaging with Python 3

Looking to integrate WhatsApp messaging into your Python applications? This guide walks you through sending WhatsApp messages using Python 3 and the WhatsMate WA Gateway REST API. Perfect for Python developers building automation scripts, web applications, data pipelines, or any project that benefits from automated notifications and messaging.

📋 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. Python 3 - Version 3.6 or higher installed
  4. Basic Python knowledge - Familiarity with running Python scripts
  5. Command line access - For executing Python scripts

⚠️ 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 Python script:

1. Copy the Python Template

Start by copying the following source code into a Python file named send-whatsapp-text-individual.py:

2. Configure a few Parameters

Customize these key parameters in the Python code:

  • Line 6: Replace with your gateway instance ID
  • Lines 7-8: Update with your Client ID and Secret
  • Line 12: Specify the target phone number (including the country code, e.g., 12025550108)
  • Line 13: Provide your message content

3. Make the Script Executable

Set execute permissions on your Python script:

chmod 755 send-whatsapp-text-individual.py

4. Send Your Message

Run the script to deliver your WhatsApp message:

./send-whatsapp-text-individual.py

🔧 Common Use Cases

This Python integration approach is ideal for:

  • Data science workflows - Send notifications when data processing completes
  • Web application backends - Integrate WhatsApp messaging into Django or Flask apps
  • Automation scripts - Create scheduled tasks that send regular updates
  • Monitoring systems - Alert administrators about system events or anomalies
  • IoT projects - Send notifications from Raspberry Pi or other embedded systems

🚀 Get Started Today

Ready to integrate WhatsApp messaging into your Python 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.