Sunan Abi Dawud 3749
سنن أبي داود#3749SahihNarrated AbuHurayrah: The Prophet (ﷺ) said: Hospitality extend for three days, and what goes beyond that is sadaqah (charity)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniHasan Sahih Isnaad
Muhammad Muhyi Al-Din Abdul HamidHasan Sahih Isnaad
Zubair Ali ZaiIsnaad Hasan
In-book reference: 28:14