Abu Hatim al-Razi: Good in Hadith
Abu Hatim ibn Habban al-Busti: He mentioned him in al-Thiqat
Abu Zar'ah al-Razi: Trustworthy
Abu Mushir al-Ghassani: Pleased with him, once: There was no one here more knowledgeable in al-Awza'i than Haql, once: حافظ متقن
Ahmad ibn Hanbal: Do not write the hadith of al-Awza'i from anyone more trustworthy than Haql
Ahmad ibn Shuayb al-Nasa'i: Trustworthy
Ahmad ibn Salih al-Jili: Trustworthy
Ibn Hajar al-Asqalani: Trustworthy
Al-Dhahabi: Imam Thabit
Abd al-A'la ibn Mushir al-Ghassani: حافظ متقن
Abd al-Baqi ibn Qan' al-Baghdadi: Thabit
Muhammad ibn Umar al-Musalli: One of the most trustworthy companions of al-Awza'i
Yahya ibn Ma'in: Trustworthy and truthful, and once: There was no one in al-Sham more trustworthy than Haql, and in a narration of Ibn Mahriz on his authority he said: He is the most knowledgeable of the people among us in al-Awza'i, and I know him best with it, and I trust him in it
Ya'qub ibn Sufyan al-Faswi: Trustworthy from among the trustworthy, from the highest companions of al-Awza'i