Abu Ja'far al-'Uqayli: His hadiths are not corroborated
Abu Hatim al-Razi: Truthful
Abu Hatim ibn Hibban al-Busti: Mentioned him in al-Thiqat
Al-Daraqutni: Not strong
Al-Dhahabi: Ishaq al-Azraq narrated from him with a preserved text, and with the story of Umar's Islam, which is very rejected
Muhammad ibn Isma'il al-Bukhari: He has hadiths that are not corroborated