For certain case like creating a Telegram bot which has no interaction with browser, do you think we can make use of curl (post request) to make PHP session wor

For certain case like creating a Telegram bot which has no interaction with browser, do you think we can make use of curl (post request) to make PHP session works? As there's no browser interaction in Telegram bot, the script just receives response back from Telegram server. This might help to kerp track of user state without a need of db?