Reddit hackers threaten to leak data.
The BlackCat (ALPHV) ransomware gang is behind a February cyberattack on Reddit, where the threat actors claim to have stolen 80GB of data from the company.
Reddit hackers threaten to leak data stolen in February breach - BlackCat Ransomware
Maybe reddit paid once and that's why the change to the api. They broke now and need the money for second randsom.