Share 'getting 401 while making curl call to ning'

I am getting a 401 error with message Invalid Password when I make a curl call to ning api.curl -u [USERNAME]:[PASSWORD] \> -d 'oauth_signature_method=PLAINTEXT&oauth_consumer_key=[CONSUMER_KEY]&oauth_signature=[OAUTH_SIGNATURE]' \> https://external.ningapis.com/xn/rest/design/1.0/Token?xn_pretty=trueI am using the same username and password as I used to log into this account. I hav…