Telegram bot api: Error code 429, Error: Too many requests: retry later

You should simply implement a global rate limiter to ensure no single user gets above a fixed number of messages per second. to be safe, set your limiter at lower than 30, maybe even to 5 msgs per second.

Really anything higher than 5 messages per second to a single user quickly becomes an annoyance.

cheers.

I'm the owner of Ramona Bot. There is a limit for sending message to users. as they said ~30 message per second. Otherwise you will get that Error 429.