How to send a voice note file to a Telegram group from Google Apps Script (GAS)

Using the WhatsMate Telegram Gateway REST API

This article shows you how to send a voice note file (e.g. an OPUS file) to a registered Telegram group from a Google Apps Script.

To send a Telegram message containing a voice note file from a Google Apps 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. Copy the following source code to your Google Apps Script project.
  4. Customize the TODO lines:
    • Specify your gateway instance ID on line 19.
    • Specify your client ID and secret on lines 20 and 21.
    • Specify your target group on lines 2 and 3.
    • Specify your OPUS file on line 4.
  5. Run the function demoSendOpusToTelegramGroup() to send your first OPUS file to your group.

You will need a trial account to call the above API. Go sign up now.