SDSP Services Documentation


The base URL for these services is:

Append the API Path for a service from the documentation below to the base URL above to call the service.

Prior to using these services you will need to acquire an API key from OneSky. The API key is submitted on each call to the service using the 'u' query parameter.

For example, to call the Terrain Height service, you'll need to format your service call like this:


To obtain an API key, or learn more about these services, see our SDSP service information page, or contact us.

For technical support, contact our support team.


The services are listed by category. Request and response data fields are described for each service, along with request and response examples. Unless noted otherwise, all input data elements are required.