How to set Telegram Webhook

README.md

Set Webhook with specific URL

POST https://api.telegram.org/bot1xxxxxxx:AAGxxxxxxxxxxxxxxxxxxxxxxxxxxxx/setWebhook?url=https://api.mycompamy.co/telegram/webhook/111

Check Webhook info

GET https://api.telegram.org/bot1xxxxxxx:AAGxxxxxxxxxxxxxxxxxxxxxxxxxxxx/getWebhookInfo

Result

{
  "ok": true,
  "result": {
    "url": "https://api.mycompamy.co/telegram/webhook/111",
    "has_custom_certificate": false,
    "pending_update_count": 0,
    "max_connections": 40,
    "ip_address": "180.77.44.55",
    "allowed_updates": [
      "message"
    ]
  }
}

main.go

package main

import (
	"log"
	"net/http"
	"os"

	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
)

func main() {
	// Bot token
	botToken := os.Getenv("TELEGRAM_BOT_TOKEN") // atau langsung "1027xxxx:xxx"
	publicURL := "https://api.mycompamy.co/telegram/webhook/111" // domain yang bisa diakses Telegram

	bot, err := tgbotapi.NewBotAPI(botToken)
	if err != nil {
		log.Fatalf("Failed to create bot: %v", err)
	}

	// Set webhook ke Telegram
	_, err = bot.Request(tgbotapi.NewWebhook(publicURL))
	if err != nil {
		log.Fatalf("Failed to set webhook: %v", err)
	}

	// Pastikan Telegram bisa akses /telegram endpoint
	info, err := bot.GetWebhookInfo()
	if err != nil {
		log.Fatalf("Failed to get webhook info: %v", err)
	}
	if info.URL != publicURL {
		log.Printf("⚠️ Webhook not active! Expected %s, got %s", publicURL, info.URL)
	}

	// Handler untuk terima update dari Telegram
	http.HandleFunc("/telegram", func(w http.ResponseWriter, r *http.Request) {
		update := tgbotapi.Update{}
		if err := tgbotapi.ParseUpdate(r, &update); err != nil {
			log.Printf("Could not parse update: %v", err)
			return
		}

		if update.Message != nil {
			log.Printf("Received message from %s: %s", update.Message.From.UserName, update.Message.Text)

			msg := tgbotapi.NewMessage(update.Message.Chat.ID, "Halo juga 👋")
			bot.Send(msg)
		}
	})

	log.Println("🚀 Bot server listening on :8080")
	log.Fatal(http.ListenAndServe(":8080", nil))
}