The interactive mapping applications available on our web site provide a relatively easy way for you to directly view our GIS data without being a GIS expert. These applications draw data from our GIS databases and present it to you in a web browser interface. In addition to not only being able to visualize the data through a map, many of the applications allow you to query and download the data to your local machine.
Published GIS Services
The ArcGIS REST API provides a simple, open Web interface to services hosted by ArcGIS Server. All resources and operations are exposed by the REST API are accessible through a hierarchy of endpoints or Uniform Resource Locators (URLs) for each GIS service published with ArcGIS Server.
For example, to get to the root directory of our ArcGIS Server services, the URL is:
From this base URL, you can traverse to any of the listed services and resources and operations associated with the service.