I assume you're talking about ScribeAmerica? If so, yeah they don't have a problem with international students, as long as you're eligible to work in the US (have proper visa's and all that jazz), and you have a reliable mode of transportaion to get to and from each shift, and you're willing to make the 1 year full-time/2 years part time commitment.
When did you first hear about medical scribes? I first heard the term ‘medical scribe’ from a friend of my mother, a nurse at Fairview Hospice. She knew
I applied through the ScribeAmerica website. Just google ScribeAmerica jobs, filter for your state, and apply to postings for the towns you're willing to commute to. Scribing made up the bulk of my clinical hours and I received letters of recommendations from the physicians I worked for. Right is a good time to apply since people are going to be leaving for medical school soon, so there will be openings and the people leaving might train you before they depart.