Exemplo de um Echo Bot usando Webhook. LIB: Python-telegram-bot

bot.py

from telegram.ext import CommandHandler, Updater

def echo_cmd(bot, update): #/echo text
	update.message.reply_text(update.message.text)

def main():
	token = ''
	#Test used Localtunnel
	#Run: lt --port 8000 -s tergvffgs
	url = 'https://tergvffgs.localtunnel.me'
	url_path = 'secret-path'
	port = 8000

	updater = Updater(token)
	updater.dispatcher.add_handler(CommandHandler('echo', echo_cmd))
	updater.start_webhook(
		listen='0.0.0.0',
		port=port,
		url_path=url_path
	)
	updater.bot.set_webhook(url=url + '/' + url_path)
	print(updater.bot.get_webhook_info())
	#updater.start_polling()
	updater.idle()


if __name__ == '__main__':
	main()