Send Images to Telegram Groups from Shell Script - Complete Guide

Automate Telegram group image sharing using the WhatsMate Telegram Gateway REST API

Posted on June 24, 2022   Share on Facebook Share on LinkedIn Share on Twitter Share on Google+

Last reviewed: February 6, 2026  

Automate Telegram Group Image Sharing with Shell Scripts

Need to send images to Telegram groups for team updates, visual reports, or automated notifications? This guide shows you how to deliver images to Telegram groups using a simple shell script and the WhatsMate Telegram Gateway REST API. Ideal for team leaders, system administrators, and developers who want to automate visual content delivery to group chats.

📋 Prerequisites

Before you begin, ensure you have:

  1. A WhatsMate Telegram Gateway account - Required for API access
  2. Group membership - The gateway must be a member of the target Telegram group
  3. Basic shell scripting knowledge - Familiarity with terminal commands
  4. Image file ready - Have the image you want to send available locally

⚠️ Important: The gateway must be a member of the Telegram group you want to send messages to. The group admin phone number is used to uniquely identify the group.

🎥 Video Walkthrough

📝 Step-by-Step Implementation

Follow these steps to send your first image to a Telegram group from a shell script:

1. Copy the Script Template

Start by copying the following source code into your script file:

2. Configure a few Parameters

Customize these key parameters in the script:

  • Line 13: Replace YOUR_OWN_INSTANCE_ID_HERE with your Telegram gateway instance ID
  • Lines 14-15: Update YOUR_OWN_CLIENT_ID_HERE and YOUR_OWN_SECRET_HERE with your Client ID and Secret
  • Line 18: Replace "Muscle Men Club" with the name of your target Telegram group
  • Line 19: Replace "19159876123" with the phone number of the group admin (including country code)
  • Line 20: Replace "Lovely Girl" with an optional caption for your image
  • Line 21: Replace ../assets/cute-girl.jpg with the path to your image file

3. Make the Script Executable

Set execute permissions on your script:

chmod 755 group-send-telegram-image.sh

4. Send Your Image

Run the script to deliver your image to the Telegram group:

./group-send-telegram-image.sh

🔧 Common Use Cases

This automation approach is ideal for:

  • Team visual updates - Send project screenshots or progress images to team Telegram groups
  • Automated group notifications - Deliver visual alerts or status images to group members
  • Group photo sharing - Automatically share daily photos or visual content with Telegram groups
  • Visual reporting - Send charts, graphs, or diagrams to group chats for collaborative review
  • Integration with monitoring systems - Combine with scripts that generate system status images for group notifications

🚀 Get Started Today

Ready to automate image sharing to Telegram groups? You’ll need a trial account to access the API. Sign up for a 2-week trial and start sending images to groups within minutes!

Next Steps: Once you’ve mastered group image sending, explore advanced features like sending documents to groups, audio files to groups, or individual messages through the WhatsMate Telegram Gateway API documentation.