Sahih al-Bukhari 5351
صحيح البخاري#5351Sahihحَدَّثَنَا آدَمُ بْنُ أَبِي إِيَاسٍ، حَدَّثَنَا شُعْبَةُ، عَنْ عَدِيِّ بْنِ ثَابِتٍ، قَالَ سَمِعْتُ عَبْدَ اللَّهِ بْنَ يَزِيدَ الأَنْصَارِيَّ، عَنْ أَبِي مَسْعُودٍ الأَنْصَارِيِّ، فَقُلْتُ عَنِ النَّبِيِّ فَقَالَ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " إِذَا أَنْفَقَ الْمُسْلِمُ نَفَقَةً عَلَى أَهْلِهِ وَهْوَ يَحْتَسِبُهَا، كَانَتْ لَهُ صَدَقَةً ".
Narrated Abu Mas`ud Al-Ansari:The Prophet (ﷺ) said, "When a Muslim spends something on his family intending to receive Allah's reward it is regarded as Sadaqa for him
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:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 69:1