Laravel - 如何自动每天调用一次方法

I am using Laravel v. 4.1 on a website. Every once in a month, I need a specific method to be called automatically for a monthly payment with Moneris. I already tested my API and it's working pretty fine. But how to call this method once a day to check if users have to pay for their monthly payment? Is it possible to do that and to call it without having a HTTP Request?I am using Laravel v. 4.1 on a website. Every o