The Sufficient (Vol 7) · Hadith 634 (#Ḥadīth #11)
Chapter 17 | The Witnesses who are Rejected
11- وَبِهَذَا الإسْنَادِ عَنْ أَبِي جَعْفَرٍ قَالَ لا يُصَلَّى خَلْفَ مَنْ يَبْتَغِي عَلَى الأذَانِ وَالصَّلاةِ الأجْرَ وَلا تُقْبَلُ شَهَادَتُهُ.
11. Through the same chain of narrators as that of the previous Hadith, the following is narrated: “Abu Ja‘far , has said, ‘Performing Salat (prayer) behind one who asks payment for saying Adhan (call for Salat (prayer)) and Salat (prayer) and his testimony are not admissible.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).