$ curl 'https://api.aperture.paloaltonetworks.com/oauth/token' -i -X POST -H 'Accept: application/json' -H 'Content-Type: application/x-www-form-urlencoded; charset=ISO- 8859-1' -d 'grant_type=client_credentials&scope=api_access'
POST /oauth/token HTTP/1.1 Accept: application/json Content-Type: application/x-www-form-urlencoded; charset=ISO-8859-1 Host: api.aperture.paloaltonetworks.com grant_type=client_credentials&scope=api_access
HTTP/1.1 401 Unauthorized { "error" : "unauthorized", "resolution" : "Please submit valid credentials.", "error_description" : "Invalid credentials" }
HTTP/1.1 401 Unauthorized { "error": "invalid_token", "resolution": "Please retrieve a new token.", "error_description": "Authentication token was invalid." }