No, the software is not detected by Facebook. The software does not violate any terms of service with Facebook either. With that being said, Facebook does have limits on how fast and how many vehicles you can post per day. The general rule of thumb is that you can post up to 15 vehicles per day. You want to space out how fast you list cars as well. If a person lists a vehicle, one after another, Facebook will view that person as a spammer and will block you from posting on marketplace or limited the amount of people it shows your listing too "shadow ban". We recommend posting 5 vehicles in morning, 5 after mid day and 5 in the afternoon/evening, waiting 5-10 minutes apart from each other.