Is it allowed to say "O Muhammad! I turn through you to my lord, that He fulfil my need" [as mentioned in the hadith of uthman bin hunaif] and believe that Prophet peace be upon him is nor directly ...

All perfect praise be to Allaah, the Lord of the worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad, sallallaahu ‘alayhi wa sallam, is His Slave and Messenger.