Abu al-Walid al-Baji: He is acceptable
Abu Hatim ibn Hibban al-Busti: He was one of the pillars of the Sunnah
Abu Nasr ibn Makula: He was one of the prolific hadith scholars
Ibn Abi Hatim al-Razi: He has some hadiths in his possession that are false, or have no basis, so he said: I do not know whether the blame for them lies with him or with Khalid ibn Hayyaj ibn Asakir. The blame for them lies with Khalid without a doubt
al-Daraqutni: One of the trustworthy
al-Dhahabi: The Imam, the Hadith scholar, the trustworthy
Abd al-Hayy ibn al-Imad al-Hanbali: He was a Hadith scholar