webDev

Hello! im wondering what is best practies for monitoring steam api trade offer change state trade_offer_state, it works by steam api key. do i need send every like 1 minute request to this endpoint or there are some better practies and do i need use proxy for that? im using https://developer.valvesoftware.com/wiki/Steam_Web_API/IEconService#CEcon_TradeOffer in advance thank you for answering.