When developers talk about a Telegram API key, they are usually referring to one of two distinct things: a Bot Token used to build automated bots via the Telegram Bot API, or an API ID and API Hash used to build custom Telegram client apps via the MTProto API.
The most common requirement for modern projects—ranging from notification systems to AI agents—is the Bot Token. Here is how you can understand, generate, and secure your Telegram API credentials.
The Two Types of Telegram Credentials
- Telegram Bot Token (Bot API): This is the ultimate key required to run a software bot. It looks like a string of numbers and letters separated by a colon (
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