Multi thread application

[esrari]

Hello,
I want to use this api in a multithreaded application. One thread run periodically in every 5 min and another thread run by request.
Both o these two threads calling GetMedia Method for load a post.
Problem is, that I don't know these two threads api call may conflict with each other or not?
I can't lock it, because the method is asynchronous.

Thank you all.