https://www.theregister.com/2020/03/03/have_i_been_pwned_no_longer_being_sold/
Went looking for where I heard that. Looks like the sale may not have gone through but the founder was seeking to sell it?
Seems Firefox Monitor draws from their API but adds some privacy features?
https://blog.mozilla.org/security/2018/06/25/scanning-breached-accounts-k-anonymity/
