IIRC the limit is 4 accounts and it's documented somewhere.
I'm constantly spinning up new accounts for clients and I've used my number on way more than 4 accounts, so maybe it is on a rolling basis over some time period?
alt Hacker News
I'm constantly spinning up new accounts for clients and I've used my number on way more than 4 accounts, so maybe it is on a rolling basis over some time period?