From here I know that Telegram limits BOT messages like this: > 1msg/second per chat > 30msg/second different chats Happens that I'am not using the python-telegram-bot API, I'am using a normal client through telethon's library. I'am getting Flood\Spam error from Telegram when trying to send messages in that cadence. BTW, I'am using delayQueue Class to control the messages limits like this: dqueue = DelayQueue(burst_limit=29, time_limit_ms=1014) dqueue(client.send_message,inputPeerUser,msg) Already asked directly to telegram's support, but got no answer. Does someone know what are the limits to normal clients? Continue reading...