70397f57_TypePad_JSON_API_Introduction__HTTP_Name
[Status Code] 401 [Meaning] No credentials were provided, or the credentials that were provided are not valid. If the application was attempting to authenticate with an OAuth token previously provisioned for a specific user, this response indicates that the token used is no longer valid, which may be because the user has revoked it, because the user's account no longer exists, or some other reason. The application may choose to remove the token from its datastore and fall back on treating the user as unauthenticated. [HTTP Name] 
Unauthorized
TypePad JSON API Introduction
HTTP Name