Awesome

Micha

Client lib for Telegram bot api. Supports Bot API v2.3.1 (of 4th Dec 2016).

Simple echo bot

package main

import (
    "log"
	
    "github.com/onrik/micha"
)

func main() {
    bot, err := micha.NewBot("<token>")
    if err != nil {
        log.Println(err)
        return
    }

    go bot.Start()

    for update := range bot.Updates() {
        if update.Message != nil {
            bot.SendMessage(update.Message.Chat.ID, update.Message.Text, nil)
        }
    }
}

Custom Telegram Bot API

package main

import (
    "log"
	
    "github.com/onrik/micha"
)

func main() {
    bot, err := micha.NewBot(
        "<token>",
        micha.WithAPIServer("http://127.0.0.1:8081"),
    )
    if err != nil {
        log.Println(err)
        return
    }

    err = bot.Logout()
    if err != nil {
        log.Println(err)
        return
    }


    go bot.Start()

    for update := range bot.Updates() {
        if update.Message != nil {
            bot.SendMessage(update.Message.Chat.ID, update.Message.Text, nil)
        }
    }
}