The Sufficient (Vol 5) · Hadith 1089 (#Ḥadīth #5)
Chapter 141 | Brokerage and Brokerage Fees
5- وَعَنْهُمَا عَنِ ابْنِ مَحْبُوبٍ عَنْ أَبِي وَلادٍ عَنْ أَبِي عَبْدِ اللهِ وَغَيْرِهِ عَنْ أَبِي جَعْفَرٍ قَالُوا قَالا لا بَأْسَ بِأَجْرِ السِّمْسَارِ إِنَّمَا هُوَ يَشْتَرِي لِلنَّاسِ يَوْماً بَعْدَ يَوْمٍ بِشَيْءٍ مَعْلُومٍ وَإِنَّمَا هُوَ مِثْلُ الأجِيرِ.
5. It is narrated from the two of them from ibn Mahbub from abu Wallad and others who has said the following: “They have said that abu Ja‘far , has said, ‘Payment for brokerage fee to a broker who buys goods for people day after day is not unlawful.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).