Telegram.Bot
.NET Client for Telegram Bot API
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What is Telegram.Bot?
Telegram.Bot is a .NET client for the Telegram Bot API that helps developers build Telegram bots in C#. It is presented as the most popular .NET client for this API and is aimed at people building chatbots, command bots, webhooks, and more advanced bot workflows.
The book is a documentation and learning site, not the bot library itself. It walks you through setup, quickstart, examples, updates, inline keyboards, migration guidance, and a large FAQ so you can move from first token to a working bot.
It is especially useful if you want concrete code snippets rather than abstract theory. The site emphasizes ready-to-use examples, including console bots, ASP.NET webhook bots, full-featured solutions, and serverless implementations.
The content is written for .NET developers, especially C# users, including beginners who need step-by-step setup and experienced developers who want reference material for specific Telegram Bot API features.
Telegram.Bot pricing
Pricing model: Freemium
The website describes the package as a NuGet package called Telegram.Bot and does not present paid plans or subscription tiers. The documentation and book itself are free to read, and installation is via the free NuGet package manager or command line. It points to the NuGet feed, GitHub repository, and examples repository, but no pricing or premium access levels are listed on the site.
Telegram.Bot pros
- Covers the Telegram Bot API from a .NET/C# angle
- Includes a quickstart for getting a bot running fast
- Provides many concrete code examples
- Shows both long polling and webhook approaches
- Explains update handling in detail
- Includes a large FAQ for common bot problems
- Has migration guidance for v22.* users
- Supports console app examples
- Includes ASP.NET webhook examples
- Mentions minimal API webhook examples
- Provides serverless function examples
- Shows how to send messages and respond to users
- Covers inline keyboards and callback handling
- Explains bot menu and commands setup
- Documents media and file-handling scenarios
- Includes guidance for common runtime errors
- Offers full project examples in a separate repository
- Links to official NuGet and GitHub resources
- Includes advice for async C# programming beginners
Telegram.Bot cons
- Focused only on .NET and C#
- Not a general Telegram bot guide for other languages
- Assumes some familiarity with async programming
- Some answers rely on external bot types or services
- Does not provide pricing tiers because it is documentation
- Can be too technical for complete beginners
- Depends on the Telegram Bot API feature limits
- Some capabilities are impossible with Bot API and require workarounds
Frequently asked questions about Telegram.Bot
What is Telegram.Bot?
Telegram.Bot is described as a .NET client for the Telegram Bot API. The book is documentation for building Telegram bots in .NET, with C# examples and guidance for both beginners and experienced developers.
How do I get started with a new bot?
The quickstart begins by creating a bot with @BotFather, getting the bot token, and then creating a .NET console project. The book shows how to add the Telegram.Bot package and proceed from there.
What kinds of bot examples are included?
The site says it includes ready-to-use snippets and points to full examples such as simple console apps using long polling, ASP.NET webhook examples, a full-featured advanced solution, and serverless function implementations.
Does the book cover both polling and webhooks?
Yes. It explicitly covers long polling using getUpdates and webhooks as the two mutually exclusive ways of receiving updates. The FAQ and update-related pages also explain how to configure receiving updates and how to handle related issues.
How does the book help with update handling?
It explains that updates are not always messages, so code must check for null fields like update.Message and message.Text. It also advises wrapping handlers in try-catch blocks and using a debugger when handlers fail or stop unexpectedly.
Can I add buttons to my bot messages?
Yes. The FAQ explains that inline buttons are added by passing an InlineKeyboardMarkup as replyMarkup when sending a message. It also mentions building rows and columns with a list of button rows.
How do callback buttons work?
The FAQ says callback buttons are handled through update.CallbackQuery. It also warns that the bot should answer the callback within 10 seconds using AnswerCallbackQuery, or the button may become temporarily disabled.
What does the FAQ say about media and files?
It covers common file-upload problems such as awaiting send methods before closing files, rewinding MemoryStream objects to position 0 before sending, and using different filenames for items in a media group. It also explains that media groups are handled by collecting messages with the same MediaGroupId.
Can the bot send messages to any user?
No. The FAQ says a bot cannot send a private message to a random user unless that user has already started a private chat with the bot. It also notes that some user lookup features are not available directly through the Bot API.
How does the book handle limitations or missing API features?
The FAQ is explicit that some things cannot be done with the Bot API, such as fetching previous messages or listing all users in a chat, and it suggests workarounds like storing data yourself. It also points to external services or alternate tools for certain advanced needs.