title: Foursquare Chat and Message API for iPhone
body: <p>I am using Foursquare API for my application and I am able to access all nearby places , Friends and badges . Now I am looking for any message or chat API through which I can chat with foursquare Friends but not able to find that .I am thinking to create one web service for chat purpose . Is it good Idea? or please tell me if any API is there.</p>
  
  <p>Thanks !</p>