#send
button=[["text01","text02"],["text03","text04]]
bot.api.call('sendMessage', {
                'chat_id': u.id,
                'text': cm.messageText(),
                "disable_web_page_preview": True,
                'parse_mode': 'HTML',
                'reply_markup': json.dumps({"keyboard": button})
            })

#remove keyboard
bot.api.call('sendMessage', {
                'chat_id': chat.id,
                'text': text,
                'parse_mode': 'HTML',
                'reply_markup':
                    json.dumps(
                        {"remove_keyboard": True}
                    )
            })