...if you want to integrate GazePointer with your own solution you can access gaze data via GazeFlowAPI: https://github.com/szydej/GazeFlowAPI
You can also check out:
GazeRecorder, which records your eye movement on the screen:
https://gazerecorder.com
Online Live Demo:
GazeCloudAPI real-time eye tracking https://api.gazerecorder.com
GazeRecorder APP (Behavior Analytics Made Easy. Website Eye-Tracking Heatmaps & More) https://app.gazerecorder.com