Just remember guys when my startup hit the front page and I clicked on the pay to upgrade from free to paid the system automatically took the whole site offline

Just remember guys when my startup hit the front page and I clicked on the pay to upgrade from free to paid the system automatically took the whole site offline for 24 hours. Make sure they changed / fixed this before trusting GAE If anyone could confirm this is still the case please say Edit - is GAE usage == GCP ? If not I will remove this comment immediately sorry