The API is described and illustrated formally here:
Documentation - The documentation describes the API in detail, with information
about how to insert an interactive map into a Web page and the methods used to customize
and insert content into the map InfoBubble.
JSON Explorer - The JSON explorer provides access
to the JSON data that is available from the service.
Image Explorer - The image explorer provides access
to the JPG, PNG, PDF and SVG images that are available from the service.
Example Code - The example code section contains
working clients that illustrate how to use the API, and may be used as a template for customizing the
interactive maps within a Web site.