Do you have any API that I can programmingly download tracking data to my application?

We provide push API:

AccuTracking Data Push allows you to configure an external URL to which AccuTracking posts (via HTTP/HTTPS) GPS data in XML/JSON in realtime. For details, please login to AccuTracking website (click "DEMO" and login as demo if you don't already have an account), click "Account", then click "Data Push Setting".