Ooh, I have an "all ice cream shops in Massachusetts" project for which this would be at least an interesting cross-reference for (the "places humans show up at" bias in foursquare's business works in my favor here.)
Or rather, their former business? https://techcrunch.com/2024/10/22/farewell-to-foursquares-ap... says the user apps go away in less than a month...