In May 2017 Google launched the official Google Maps URLs documentation. The Google Maps URLs introduces universal cross-platform syntax that you can use in your applications.
Have a look at the following document:
You can use URLs in search, directions, map and street view modes.
For example, to show the marker at specified position you can use the following URL:
For further details please read aforementioned documentation.
You can also file feature requests for this API in Google issue tracker.
Hope this helps!