How to send a voice note file to a Telegram group from bash shell script

Using the WhatsMate Telegram Gateway REST API

Posted on June 29, 2022   Share on Facebook Share on LinkedIn Share on Twitter Share on Google+

Last reviewed: March 16, 2025  

This article shows you how to send a voice note file (e.g. an OPUS file) to a registered Telegram group from a bash shell script.

To send a Telegram message containing a voice note file to a group from a bash shell script, do this:

  1. First, learn how to send a simple text message to a group on the official site.
  2. With the above knowledge, you can now download our sample code.
  3. Locate the file bash/group-send-telegram-opus.sh.
  4. Study the script and customize the TODO/FIXME lines.
  5. Change to the directory containing the script: cd bash
  6. Run the script to send your group the first OPUS file: ./group-send-telegram-opus.sh

Happy coding :)