As the latest Youtube algorithm update, To send live views we recommend you use the regular view process for it. Because sending live views with API will cause zero watch time and live view drops. But if you use the regular view also for live videos, you’ll have a much better effect. However, you may be unable to send a few hundred live views with this method because it’s aggressively using the resources. The number of livestream viewers corresponds with the maximum number of threads you can use. You can read about it here.