Is my marriage is valid with my cousin in this way

My name is aslam and her name is afreen we live in different state and we are cousin and follow hanafi fiqh. So one day we decided to make nikah of us without wali So my two frnd(A and B) with me as a witness and she is in video call she make a wakeel of her on a behalf and we do ijabo qabool with certain amount of mehr is my nikah valid plz tell as soon as possible