Just Simple Merging API Call in Swift

SwiftNativeMergingAPICall.swift

func mergeAPICall() {
      let group = dispatch_group_create()

      dispatch_group_enter(group)
      /***
            Call your method for each endpoint after dispatch_group_enter(group)
      */
      func fetchEventList(success: { (eventList) in
            /***
                  Add dispatch_group_leave(group) if API Call return success or error
            */
            dispatch_group_leave(group)
      }) { (error) in
            dispatch_group_leave(group)
      }
  
      func fetcMovieList(success: { (eventList) in
            /***
                  Add dispatch_group_leave(group) if API Call return success or error
            */
            dispatch_group_leave(group)
      }) { (error) in
            dispatch_group_leave(group)
      }

      dispatch_group_notify(group, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0)) {	
            dispatch_async(dispatch_get_main_queue(), {
                  /***
                       Do something if All API Call done
                       Your code Here
                 */
            })
      }
}