Sunan Abi Dawud 1594
سنن أبي داود#1594SahihNarrated Abu Hurairah: The Prophet (ﷺ) said: No sadaqah is due on a horse or a slave except that given at the breaking of the fast (at the end of Ramadan)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih
In-book reference: 9:39