CallEndpoint("api/getidbyusername/hotcakes", function(result) {
    	CallEndpoint("api/getfollowersbyid/" + result.userID, function(result) {
    		CallEndpoint("api/someothercall/" + result.followers, function(result) {
    			CallEndpoint("api/someothercall/" + result, function(result) {
    				// do something...
    			});
    		});
    	});
    });