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Telegram

Telegram is a cloud-based instant messaging and voice-over-IP service.

!!! note "Credentials" You can find authentication information for this node here.

Basic Operations​

  • Chat
    • Get up to date information about a chat.
    • Leave a group, supergroup or channel.
    • Get the member of a chat.
    • Set the description of a chat.
    • Set the title of a chat.
  • Callback
    • Send answer to callback query sent from inline keyboard.
    • Send answer to callback query sent from inline bot.
  • File
    • Get a file.
  • Message
    • Delete a chat message
    • Edit a text message
    • Pin a chat message
    • Send an animated file
    • Send a audio file
    • Send a chat action
    • Send a document
    • Send a location
    • Send group of photos or videos to album
    • Send a text message
    • Send a photo
    • Send a sticker
    • Send a video
    • Unpin a chat message

Example Usage​

1. Cron node​

The Cron node will trigger the workflow daily at 8 PM.

  1. Click on Add Cron Time.
  2. Set hours to 20 in the Hour field.
  3. Click on Execute Node to run the node.

2. HTTP Request node (GET)​

This node will make a GET request to the API https://www.thecocktaildb.com/api/json/v1/1/random.php to fetch a random cocktail. This information gets passed on to the next node in the workflow.

  1. Enter https://www.thecocktaildb.com/api/json/v1/1/random.php in the URL field.
  2. Click on Execute Node to run the node.

3. Telegram node (sendPhoto: message)​

This node will send a message on Telegram with an image and the recipe of the cocktail that we got from the previous node.

  1. First of all, you'll have to enter credentials for the Telegram node. You can find out how to do that here.

  2. Select 'Send Photo' from the Operation dropdown list.

  3. Enter the target chat ID in the Chat ID field. Refer to the FAQs to learn how to get the chat ID.

  4. Click on the gears icon next to the Photo field and click on Add Expression.

  5. Select the following in the Variable Selector section: Nodes > HTTP Request > Output Data > JSON > drinks > [item: 0] > strDrinkThumb. You can also add the following expression: {{$node["HTTP Request"].json["drinks"][0]["strDrinkThumb"]}}.

  6. Click on Add Field and select 'Caption' from the dropdown list.

  7. Click on the gears icon next to the Caption field and click on Add Expression.

  8. Select the following in the Variable Selector section: Nodes > HTTP Request > Output Data > JSON > drinks > [item: 0] > strInstructions. You can also add the following expression: {{$node["HTTP Request"].json["drinks"][0]["strInstructions"]}}.

  9. Click on Execute Node to run the node.

!!! note "Activate workflow for production" This example workflow uses the Cron node, which is a Trigger node. You'll need to save the workflow and then click on the Activate toggle on the top right of the screen to activate the workflow. Your workflow will then be triggered as specified by the settings in the Cron node.

FAQs​

How can I send more than 30 messages per second?​

The Telegram API has a limitation of sending only 30 messages per second. Follow the steps mentioned below to send more than 30 messages:

  1. Split In Batches node: Use the Split in Batches node to get at most 30 chat IDs from your database.
  2. Telegram node: Connect the Telegram node with the Split In Batches node. Use the Expression Editor to select the Chat IDs from the Split in Batches node.
  3. Function node: Connect the Function node with the Telegram node. Use the Function node to wait for a few seconds before fetching the next batch of chat IDs. Connect this node with the Split In Batches node.

How do I add a bot to a Telegram channel?​

  1. In the Telegram app, access the target channel and tap on the channel name.
  2. Make sure that the channel name is labeled as "public channel".
  3. Tap on Administrators and then on Add Admin.
  4. Search for the username of the bot and select it.
  5. Tap on the checkmark on the top-right corner to add the bot to the channel.

How do I get the Chat ID?​

There are two ways to get the Chat ID in Telegram.

  • Using the Telegram Trigger node: On successful execution, the Telegram Trigger node returns a Chat ID. You can use the Telegram Trigger node in your workflow to get a Chat ID.
  • Using the @RawDataBot: The @RawDataBot returns the raw data of the chat with a Chat ID. Invite the @RawDataBot to your channel/group, and upon joining, it will output a Chat ID along with other information. Be sure to remove the @RawDataBot from your group/channel afterwards.