I'm bearish on Elementary. Their recent-ish drama where the founders split up doesn't seem good for long-term stability:

https://lunduke.substack.com/p/elementary-os-is-imploding

I've seen this used on other Fediverse posts:

https://catbox.moe/

I wonder how hard it will be to just scrape the HTML to accomplish this. It'd be a bit of a cat-and-mouse game, but you'd probably get pretty far just using Google's user agent string. I kind of think Reddit wouldn't actually care about scraping vs API access, since all of Reddit's dumbfuckery seems to be coming from spez panicking due to investor pressure, and I'd bet investors don't have the faintest idea what "scraping" is.