Ayade made this known on Thursday morning after a closed-door meeting with six APC governors and some members of the National Assembly who visited him at the Government House.
The governors who visited Ayade include Abubakar Bagudu of Kebbi State; Hope Uzodinma of Imo State; Mai Mala Buni of Yobe State who is also the APC caretaker Chairman; Simon Lalong of Plateau State; Mohammed Abubakar of Jigawa State, and Kayode Fayemi of Ekiti State.
He was elected as the governor of Cross Rivers State under the platform of the PDP in 2015.
Ayade is the second sitting governor to have move to the ruling APC in recent months.
Governor Dave Umahi of Ebonyi State also left the PDP Six months back.