Across 4 accounts, 2 of which should be using their Europe resources, 0/4 can actually complete a purchase. 2 get stuck in loops, continually asking to provide

Across 4 accounts, 2 of which should be using their Europe resources, 0/4 can actually complete a purchase. 2 get stuck in loops, continually asking to provide shipping address (again). 2 error out on the final step. With all their data sharding, distribution and redundancy, it sure seems a significant part of their backend is down. Can anyone else complete a transaction?