Instead, the company has announced that in mid-December, it will sunset the City Guide. However, although the Foursquare app is going away, the company is opening its Places database to the world. Django co-creator Simon Willison has already investigated the database and has some info on how it's hosted and how to access it.
https://www.theregister.com/2024/11/27/foursquare_to_close/