🚀 WATele-Bridge: A Telegram ↔ WhatsApp Bridge

This content originally appeared on DEV Community and was authored by Abdulaziz Hamzah

I recently worked on a project that let me explore some exciting areas like:

• Building Telegram bots
• Using WhatsApp APIs
• Playing with asynchronous programming
• Developing and consuming APIs

The result? 👉 WATele-Bridge – a simple, self-hosted bridge between Telegram and WhatsApp.

🔧 How It Works

The project has two main parts:

1. Telegram Bot (Python, Telethon)

• Listens for new messages from a user-specified chat, group, or channel.
• Whenever a new message arrives, it triggers an event handler.
• That event makes an HTTP request to an API endpoint.

1. WhatsApp API (Node.js, '@whiskeysockets/Baileys')

• Exposes a send-message endpoint.
• Receives the incoming request from the Telegram bot.
• Forwards the message directly to WhatsApp.

This essentially creates a Telegram → WhatsApp relay.

⚡ Why I Built This

I wanted to:

• Learn Telethon for Telegram bot development.
• Explore Baileys (a popular WhatsApp Web API library).
• Understand how to design async message handling.
• Practice building and integrating a small microservice API.

It’s a great project if you’re curious about combining different chat platforms or experimenting with real-time communication apps.

🚀 Try It Yourself

You can self-host the project with the instructions in the repo:
👉 github.com/Azizham66/WATele-Bridge
Feel free to fork it, tweak it, or use it as a foundation for your own automation ideas!

🤝 Contribute

This is still a work in progress, and contributions are very welcome. Some possible improvements:

• Adding support for two-way sync (WhatsApp → Telegram)
• Deployment scripts (Docker, PM2)
• Better logging and error handling
• Adding the ability to listen from multiple Telegram chats

💡 Final Thoughts

This was a fun experiment that combined multiple APIs and asynchronous programming. If you’ve ever wanted to link two messaging platforms, this project might give you a head start.

This content originally appeared on DEV Community and was authored by Abdulaziz Hamzah

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Abdulaziz Hamzah | Sciencx (2025-09-17T09:28:27+00:00) 🚀 WATele-Bridge: A Telegram ↔ WhatsApp Bridge. Retrieved from https://www.scien.cx/2025/09/17/%f0%9f%9a%80-watele-bridge-a-telegram-%e2%86%94-whatsapp-bridge-2/

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" » 🚀 WATele-Bridge: A Telegram ↔ WhatsApp Bridge." Abdulaziz Hamzah | Sciencx - Wednesday September 17, 2025, https://www.scien.cx/2025/09/17/%f0%9f%9a%80-watele-bridge-a-telegram-%e2%86%94-whatsapp-bridge-2/

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