Users of the API must register with main website and request the 'Api' role and any addtional roles required for use functionality. Existing users can request addtional roles through an Administrator or the HelpDesk.
Users can get an authenticated token through the /Token endpoint send a POST request with a body:
Content-Type: application/x-www-form-urlencoded
username=[username]
password=[password]
grant_type=password
Use return an access token as a respose this can be used as a header for future requests i.e
Authorization: Bearer someReallyLongToken
API Documentation can be found at the help pages through the link above.