Home Assistant Telegram Guide

If you want to control your home automation system remotely, you might want to consider using the Home Assistant Telegram integration.

Telegram is a messaging app that allows you to send messages, photos, videos, and other types of files over the internet. With Telegram, you can create a chatbot that will interact with Home Assistant, a popular home automation platform that enables you to automate your home.

In this article, I will guide you on how to set up and use Telegram with Home Assistant and provide some common troubleshooting tips.

Introduction

Home Assistant is a powerful home automation platform that allows you to control various devices and services in your home. With Home Assistant, you can create automations, set up schedules, and even integrate with third-party services.

Telegram is a messaging app that enables you to send messages, photos, videos, and other types of files over the internet. By integrating Telegram with Home Assistant, you can control your home automation system remotely using a chatbot.

Prerequisites

Before we start, make sure that you have the following:

Setting up Telegram

Creating a Telegram account

If you don't have a Telegram account yet, you can create one by following these steps:

  1. Download the Telegram app from the App Store or Google Play Store.

  2. Open the Telegram app and tap "Start Messaging".

  3. Enter your phone number and tap "Next".

  4. Enter the verification code that you received via SMS.

  5. Enter your name and upload a profile picture (optional).

Creating a Telegram bot

To create a Telegram bot, you need to follow these steps:

  1. Open the Telegram app and search for "BotFather".

  2. Tap on "BotFather" and then tap "Start".

  3. Type "/newbot" and follow the instructions to create a new bot.

  4. Once you have created the bot, BotFather will give you an HTTP API token. Keep this token safe, as you will need it in the next section of steps.

Setting up Home Assistant with Telegram

Installing Telegram bot integration

To use Telegram with Home Assistant, you need to install the Telegram bot integration by following these steps:

Open your Home Assistant configuration.yaml file and add the following YAML code then save the file. Replace YOUR_API_KEY_HERE with your own API key that you acquired in the previous steps above.

telegram_bot:
  - platform: polling
    api_key: YOUR_API_KEY_HERE
    allowed_chat_ids:
      - YOUR_CHAT_ID

You will also need your own unique chat ID to replace with YOUR_CHAT_ID seen above.

The easiest way I have found to find a chat ID is to send your bot a message then immediately open your web browser and go to https://api.telegram.org/bot<YOUR_API_TOKEN>/getUpdates then look for the "id" attribute after the "chat" section (see the highlighted chat ID in my example below).

Using Telegram with Home Assistant

Receiving notifications from Home Assistant

To receive notifications from Home Assistant using Telegram, you need to modify your configuration.yaml file again by adding the notification settings.

Open your configuration.yaml file and add the following code under the existing notify: section. If you don't have a notify section then include the notify: line.

notify:
  - platform: telegram
    name: 'Telegram Bot'
    chat_id: YOUR_CHAT_ID

Now you can use Telegram notifications in any of your automations.

Before you update or create an automation it would be wise to test if your Telegram bot can receive messages correctly.

Testing your Home Assistant Telegram Bot

From inside Home Assistant browse to Developer Tools then Services and search for your Telegram Bot notification service. In my example, the service is called notify.telegram_bot

After entering a custom message in the message box and clicking the Call Service button you should instantly receive a message from your bot in the Telegram app.

The Telegram Home Assistant integration is capable of much more including attaching videos and photos, sending documents, and location information. These options go beyond the scope of this beginner's guide. If you would like to make your Telegram bot more powerful you should check out the official documentation from Home Assistant for Telegram.

Troubleshooting

If you are experiencing issues with Telegram and Home Assistant integration, you can try the following troubleshooting steps:

  • Make sure that you have installed the latest version of Home Assistant and Telegram.

  • Check if your Telegram bot is authorized to send messages to Home Assistant.

  • Double-check if you have entered the correct API token and chat ID in the Telegram integration settings.

  • Restart Home Assistant and Telegram to refresh the connection.

Conclusion

By integrating Telegram with Home Assistant, you can control your home automation system remotely using a chatbot. With Telegram, you can send commands to Home Assistant and receive notifications from it. Follow the steps outlined in this guide to set up and use Telegram with Home Assistant.

FAQs

Can I use multiple Telegram bots with Home Assistant?

Yes, you can use multiple Telegram bots with Home Assistant.

Can I use Telegram to control devices that are not connected to Home Assistant?

No, you can only use Telegram to control devices that are connected to Home Assistant.

Is the Telegram integration secure?

Yes, Telegram integration with Home Assistant is secure as long as you keep your token safe and do not share it with anyone.

Can I use Telegram to control my home automation system when I am away from home?

Yes, as long as you have an internet connection, you can use Telegram to remotely control your home automation system.

Is there a limit to the number of messages that can be sent to Telegram from Home Assistant?

No, there is no limit to the number of messages that can be sent to Telegram from Home Assistant.

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