I love the idea of probing undocumented #APIs to find interesting data patterns. Everything that a website or app shows a user was probably generated using some #API calls, and it seems likely there are many that can be probed. #Hackers dig in!
https://themarkup.org/levelup/2023/03/03/journalists-you-should-be-looking-for-undocumented-apis-heres-how-to-start