telegram source Telegram Source

Provided by: "Apache Software Foundation"

Support Level for this Kamelet is: "Stable"

Receive all messages that people send to your Telegram bot.

Configuration Options

The following table summarizes the configuration options available for the telegram-source Kamelet:

Property Name Description Type Default Example

authorizationToken

Token

Required The token to access your bot on Telegram. You can obtain it from the Telegram @botfather.

string

Dependencies

At runtime, the telegram-source Kamelet relies upon the presence of the following dependencies:

  • camel:jackson

  • camel:kamelet

  • camel:telegram

  • camel:core

Camel JBang usage

Prerequisites

  • You’ve installed JBang.

  • You have executed the following command:

jbang app install camel@apache/camel

Supposing you have a file named route.yaml with this content:

- route:
    from:
      uri: "kamelet:telegram-source"
      parameters:
        .
        .
        .
      steps:
        - to:
            uri: "kamelet:log-sink"

You can now run it directly through the following command

camel run route.yaml

Telegram Source Kamelet Description

Authentication

This Kamelet requires a Telegram Bot token for authentication. You need to create a Telegram bot through @BotFather and obtain the bot token.

Configuration

The Telegram Source Kamelet supports the following configurations:

  • Authorization Token: Telegram bot token (required)

  • Chat ID: Telegram chat ID to monitor (optional, can monitor all chats if not specified)

Output Format

The Kamelet outputs Telegram messages as JSON objects containing message content, sender information, chat details, and timestamp.

Bot Setup

  1. Contact @BotFather on Telegram

  2. Create a new bot with /newbot command

  3. Follow the instructions to set bot name and username

  4. Copy the provided bot token

  5. Add the bot to your chat or channel

Usage Example

- route:
    from:
      uri: "kamelet:telegram-source"
      parameters:
        authorizationToken: "your-bot-token-here"
      steps:
        - to:
            uri: "kamelet:log-sink"

Example with Specific Chat

- route:
    from:
      uri: "kamelet:telegram-source"
      parameters:
        authorizationToken: "your-bot-token-here"
        chatId: "-1001234567890"
      steps:
        - to:
            uri: "kamelet:log-sink"

Message Processing

The kamelet receives all types of Telegram messages including text, photos, documents, and other media. Message metadata includes sender information, chat details, and message type.

Kamelet source file

https://github.com/apache/camel-kamelets/blob/main/kamelets/telegram-source.kamelet.yaml

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