You’re using a Deprecated endpoint that’s nearing being removed entirely. On the lead up to removal there are windows where v5 is shutdown, and as explained in the announcements this is currently one of those outage windows Legacy Twitch API v5 (i.e. kraken) Shutdown Reminder - February 28, 2022
Please migrate to the Helix API Reference | Twitch Developers as v5 will be fully shutdown on the 28th.