In August 2020 I spent a weekend building a Twitter bot that tweeted new Rechtssätze by the Austrian Supreme Court, the OGH. A Rechtssatz is a condensed legal proposition extracted from a ruling, each capturing a distinct principle the court applied or affirmed. They get their own identifier and accumulate citations across many subsequent decisions, so they're what practitioners primarily track, not the full ruling text.
The data came from the RIS, Austria's government legal information system, which has a free REST API under its Open Government Data programme. You don't even need an API key. My Python script polled it for new OGH Rechtssätze, truncated whatever was too long for a tweet, and posted a link back to the full entry on ris.bka.gv.at. The whole thing probably took six hours to build, most of which was figuring out the RIS' API response format and registering for Twitter's developer API.
The bot ran as @rechtssatz for three years and picked up a few hundred followers. It even ended up listed as a featured app in Austria's OGD catalogue, which was a nice surprise for something I threw together in a weekend. It died in 2023 when Twitter started charging for API access, which didn't make sense for a free public service, so I shut it down. The RIS API is still open though, so the approach still works if you ever wanted to bring it back somewhere else.