Abu Hatim al-Razi: Truthful
Abu Hatim ibn Habban al-Busti: He spent his life accompanying Ibn Uyainah, and he was one of the most knowledgeable people of his time in his hadith
Ibn Hajar al-'Asqalani: Trustworthy Hafiz
al-Dhahabi: Trustworthy
Ali ibn al-Madini: He was asked about him, so he said: Glory be to Allah, did Hamid remain until a time when someone needs to ask about him?
Muslim ibn al-Qasim al-Andalusi: Trustworthy Hafiz