Abu Hatim ibn Hibban al-Busti: He heard from Mu'awiyah, and al-Hakam ibn Mina' narrated from him.
Ahmad ibn Shu'ayb al-Nasa'i: Thiqah (Trustworthy)
Ibn Hajar al-'Asqalani: Maqbul (Acceptable)
al-Dhahabi: وثق (Authenticated)
Muhammad ibn Ismail al-Bukhari: He mentioned him in al-Tarikh al-Kabir, and said: He heard from Mu'awiyah, and al-Hakam ibn Mina' narrated from him.
Authors of Tahdhib al-Tahdhib: Thiqah (Trustworthy)