History of APIs - Foursquare API
11 Mar 2011
In March 2009 Foursquare launched at the SXSW interactive festival in Austin, TX.
Foursquare is a location-based mobile platform that makes cities more interesting to explore, by checking in via a smartphone app or SMS, users share their location with friends while collecting points and virtual badges.
Even with growing competition from early mover Gowalla and major players like Facebook and Google, Foursquare is still one of the dominant mobile location-sharing and check-in platforms.