Suddenly slow API calls

About 10 minutes ago, and for a bit more than 5 minutes, queries (such as supabase.from(...).select(...)...) which usually take a few 100ms took ~2.5 minutes to load.
Then it came back snappy.

It isn't the first time, it is a regular occurance. I switched from free to paid account, even upgrading the server instance a bit, thinking it would resolve the issue. But seems like it doesn't.

Is there a way to understand why this is happening?
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