The Book of the Believer · Hadith 118 (#Ḥadīth #12)
Chapter 5 | The Reward of Helping a Believer, Relieving Him of Distress And Showing Him Kindness
118 - وعن أبي جعفر عليه السلام: من قضى لمسلم حاجته ناداه الله عز وجل: ثوابك علي، ولا أرضى لك ثوابا دون الجنة.
118. It has been reported that Abu Ja'far said: One who fulfils the need of a Muslim will be called out to by Allah [M.G] saying, 'your reward is upon Me and I shall not be satisfied with a reward for you less than Paradise.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).