> curl -X GET    -H "X-Parse-Application-Id: <App_ID>"    -H
> "X-Parse-REST-API-Key: <REST_ID>"    -H "X-Parse-Revocable-Session:
> 1"    -G    --data-urlencode 'username=<username>'
> --data-urlencode 'password=<password>'    https://api.parse.com/1/login

{"code":101,"error":"invalid login parameters"}