How does Telego compare to go-telegram-bot-api?

Telego offers a more direct API mirroring with performance optimizations like fasthttp, while go-telegram-bot-api is older and more established but may lack utilities like telegoutil. Telego's handler system is also more structured for complex bots.

How to set up a webhook with Telego?

Use the UpdatesViaWebhook method with a webhook server; examples show integration with HTTP serve mux and tools like Ngrok for testing. You need to handle TLS certificates and secret tokens, as detailed in the webhook examples.

Does Telego support all Telegram Bot API features like Web Apps?

Yes, it aims for full coverage including recent features like Web Apps and payments, with examples provided. However, as generated code, always verify specific features against the official Telegram API for accuracy.

Can I switch the JSON library in Telego?

Yes, via build tags like 'sonic' or 'stdjson', or by setting custom marshal/unmarshal functions globally. This allows flexibility but requires platform checks for libraries like sonic.

How to handle errors in Telego bot handlers?

Errors should be managed within handler functions; the library provides context but examples often omit error handling for brevity. The README strongly recommends handling all errors in production code.

What are the performance benefits of using fasthttp in Telego?

Fasthttp reduces memory allocations and latency compared to net/http, beneficial for high-volume bots. However, it may not be necessary for low-traffic applications and requires understanding its differences.

Open-Awesome

telego

MITGov1.11.2

A complete Go library for the Telegram Bot API with one-to-one type and method mapping.

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1.1k stars68 forks0 contributors

What is telego?

Telego is a Go library that provides a complete implementation of the Telegram Bot API, allowing developers to build and interact with Telegram bots. It mirrors the official API's types and methods one-to-one, solving the problem of manual API integration by offering a type-safe, feature-rich toolkit.

Target Audience

Go developers building Telegram bots who need a reliable, full-featured library with support for modern bot features like webhooks, handlers, and utility helpers.

Value Proposition

Developers choose Telego for its exact API mapping, performance optimizations with fasthttp and go-json, and ergonomic utilities like telegoutil and predicate-based handlers, which streamline bot development compared to lower-level alternatives.

Overview

Telegram Bot API library for Go

Use Cases

Best For

Building Telegram bots with full API coverage in Go
Implementing webhook-based update systems for bots
Creating bots with structured handler and middleware systems
Developing bots that require high performance with fasthttp
Switching JSON libraries via build tags for specific needs
Using utility helpers to simplify parameter creation and method calls

Not Ideal For

Projects requiring strict adherence to Go's standard net/http and encoding/json libraries without third-party alternatives
Developers building extremely simple, single-command bots who prefer a minimal, no-frills library
Teams needing guaranteed accuracy in API types without the risk of errors from auto-generated code
Environments where predicate-based handlers add unnecessary complexity for straightforward, linear bot logic

Pros & Cons

Pros

Exact API Mirroring

Provides a one-to-one mapping of Telegram Bot API types and methods with mirrored documentation, ensuring type safety and full coverage as evidenced by the generated types.go and methods.go files.

Performance Optimizations

Defaults to fasthttp and go-json for HTTP requests and JSON handling, offering speed improvements over standard libraries, with benchmarks implied by the focus on efficiency.

Utility Package Simplification

Includes the telegoutil package with helper methods like Message() and ID() for convenient parameter creation, reducing boilerplate code in method calls.

Structured Handler System

Features a predicate-based handler system with middleware and groups, similar to net/http, enabling organized and scalable bot logic as shown in multiple examples.

Cons

Generated Code Risks

The README admits that auto-generated types and methods may have errors or missing parts from Telegram's documentation, requiring manual verification for critical applications.

Third-Party Dependency Defaults

Relies on fasthttp and go-json by default, which can introduce compatibility issues or learning curves for teams standardized on net/http or encoding/json, despite build tag options.

Webhook Setup Complexity

Setting up webhooks requires additional configuration like TLS certificates and server integration, which is nontrivial for beginners, as noted in the Ngrok and Let's Encrypt tips.

Frequently Asked Questions

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