FilePreviews uses conventional HTTP response codes to indicate success or failure of an API request.
OK- the request was successful (some API calls may return 201 instead).
Created- the request was successful and a resource was created.
Bad Request- the request could not be understood or was missing required parameters.
Unauthorized- authentication failed or user doesn't have permissions for requested operation.
Forbidden- access denied.
Not Found- resource was not found.
Method Not Allowed- requested method is not supported for resource.
Too Many Requests- exceeded API limits.
Service Unavailable- service is temporary unavailable (e.g. scheduled Platform Maintenance).