My Trails API: My Trails offers users four API choices. The Location Based Search API returns information on shared trails and markers for latitude/longitude inputs from the My Trails database. The Client Upload API allows users to post new trails and markers to the database. The Client Register API allows new users to register and the Client Registration Check API checks the validity of usernames and password. All are performed using HTTP GET or POST requests.
ViewRanger BuddyBeacon API: ViewRanger is a UK-based company specializing in GPS applications and map software. BuddyBeacon is a GPS navigation app for mobile devices that allows live tracking of a user's location. The BuddyBeacon API is currently in beta. It grants access to a user's raw BuddyBeacon data for map, app, or mash-up creation.
WebGL Earth API: WebGL Earth provides a mechanism for inserting interactive maps into webpages without the use of additional plugins. These maps are viewable from any platform, including mobile devices. Webpage visitors can rotate and zoom in or out on the globe, or even tilt the viewing angle. WebGL Earth can display existing maps from other mapping services as well as custom map tiles for Earth or other planets.
SpacialDB Layers API: SpacialDB is a geospatial database service that allows users to create, operate, and scale dedicated geospatial databases in the cloud. A SpacialDB database can be used transparently in place of any cloud-based database such as Amazon RDS, Rackspace Storage, or Heroku PostgreSQL. The SpacialDB Layers API allows users to access their geospatial data RESTfully in either JSON or JSONP format.
Heello API: Heello is a social microblogging service that allows users to share what they're doing with short text posts called Pings. Users may also include a photo or video, or share their current location with Pings. The Heello API allows users to create, delete, or retrieve Pings, as well as to retrieve information about users or individual Pings.