code: function getApiLyftCost(startLatitude, startLongitude, endLatitude, endLongitude, rideType, successCallback, failureCallback) {
      successCallback = successCallback || function (res) {
        log(res.cost_estimates);
      };
      var ride_type = rideType ? rideType : 'lyft';
      url += '&ride_type=' + ride_type;
  
      var url = '/api/lyft/cost?start_lat=' + startLatitude + '&start_lng=' + startLongitude;
      if (endLatitude) { url += '&end_lat=' + endLatitude; }
      if (endLongitude) { url += '&end_lng=' + endLongitude; }
      return requestJson('GET', url, successCallback, failureCallback);
    }
docs: /* ================ /* Lyft API Methods /* ================