Sunan Abi Dawud 3541
سنن أبي داود#3541Hasanحَدَّثَنَا أَحْمَدُ بْنُ عَمْرِو بْنِ السَّرْحِ، حَدَّثَنَا ابْنُ وَهْبٍ، عَنْ عُمَرَ بْنِ مَالِكٍ، عَنْ عُبَيْدِ اللَّهِ بْنِ أَبِي جَعْفَرٍ، عَنْ خَالِدِ بْنِ أَبِي عِمْرَانَ، عَنِ الْقَاسِمِ، عَنْ أَبِي أُمَامَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " مَنْ شَفَعَ لأَخِيهِ بِشَفَاعَةٍ فَأَهْدَى لَهُ هَدِيَّةً عَلَيْهَا فَقَبِلَهَا فَقَدْ أَتَى بَابًا عَظِيمًا مِنْ أَبْوَابِ الرِّبَا " .
Narrated AbuUmamah: The Prophet (ﷺ) said: If anyone intercedes for his brother and he presents a gift to him for it and he accepts it, he approaches a great door of the doors of usury
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 24:126