# Golang bindings for the Telegram Bot API [![GoDoc](https://godoc.org/github.com/go-telegram-bot-api/telegram-bot-api?status.svg)](http://godoc.org/github.com/go-telegram-bot-api/telegram-bot-api) [![Travis](https://travis-ci.org/go-telegram-bot-api/telegram-bot-api.svg)](https://travis-ci.org/go-telegram-bot-api/telegram-bot-api) All methods have been added, and all features should be available. If you want a feature that hasn't been added yet or something is broken, open an issue and I'll see what I can do. All methods are fairly self explanatory, and reading the godoc page should explain everything. If something isn't clear, open an issue or submit a pull request. The scope of this project is just to provide a wrapper around the API without any additional features. There are other projects for creating something with plugins and command handlers without having to design all that yourself. Use `github.com/go-telegram-bot-api/telegram-bot-api` for the latest version, or use `gopkg.in/telegram-bot-api.v4` for the stable build. Join [the development group](https://telegram.me/go_telegram_bot_api) if you want to ask questions or discuss development. ## Example This is a very simple bot that just displays any gotten updates, then replies it to that chat. ```go package main import ( "log" "gopkg.in/telegram-bot-api.v4" ) func main() { bot, err := tgbotapi.NewBotAPI("MyAwesomeBotToken") if err != nil { log.Panic(err) } bot.Debug = true log.Printf("Authorized on account %s", bot.Self.UserName) u := tgbotapi.NewUpdate(0) u.Timeout = 60 updates, err := bot.GetUpdatesChan(u) for update := range updates { if update.Message == nil { continue } log.Printf("[%s] %s", update.Message.From.UserName, update.Message.Text) msg := tgbotapi.NewMessage(update.Message.Chat.ID, update.Message.Text) msg.ReplyToMessageID = update.Message.MessageID bot.Send(msg) } } ``` If you need to use webhooks (if you wish to run on Google App Engine), you may use a slightly different method. ```go package main import ( "gopkg.in/telegram-bot-api.v4" "log" "net/http" ) func main() { bot, err := tgbotapi.NewBotAPI("MyAwesomeBotToken") if err != nil { log.Fatal(err) } bot.Debug = true log.Printf("Authorized on account %s", bot.Self.UserName) _, err = bot.SetWebhook(tgbotapi.NewWebhookWithCert("https://www.google.com:8443/"+bot.Token, "cert.pem")) if err != nil { log.Fatal(err) } info, err := bot.GetWebhookInfo() if err != nil { log.Fatal(err) } if info.LastErrorDate != 0 { log.Printf("[Telegram callback failed]%s", info.LastErrorMessage) } updates := bot.ListenForWebhook("/" + bot.Token) go http.ListenAndServeTLS("0.0.0.0:8443", "cert.pem", "key.pem", nil) for update := range updates { log.Printf("%+v\n", update) } } ``` If you need, you may generate a self signed certficate, as this requires HTTPS / TLS. The above example tells Telegram that this is your certificate and that it should be trusted, even though it is not properly signed. openssl req -x509 -newkey rsa:2048 -keyout key.pem -out cert.pem -days 3560 -subj "//O=Org\CN=Test" -nodes Now that [Let's Encrypt](https://letsencrypt.org) has entered public beta, you may wish to generate your free TLS certificate there.