Yes, Spanning Backup for Office 365 has an API which can be utilized for licensing users and getting tenant information. In order to use the API, a Spanning administrator must generate an API token to use for each call made. The steps to do this are below:
1. Log into Spanning at https://o365.spanningbackup.com
2. Go to the settings page
3. Select “Generate token”
4. Copy and save the token. This will be necessary for all API calls made.
Documentation for the API can also be found here.
If you are a Windows PowerShell user, you can use PowerShell to call the Spanning API. The details are on the Spanning GitHub site.
If you have any questions, please contact firstname.lastname@example.org.