Sunan an-Nasa'i 69
سنن النسائي#69SahihIt was narrated that Anas said:"An announcer came to us from the Messenger of Allah (ﷺ) and said: 'Allah and His Messenger forbid you from (eating) the flesh of domestic donkeys, for it is filth
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 1:69