Sunan Abi Dawud 2774
سنن أبي داود#2774SahihNarrated AbuBakrah: When anything came to the Prophet (ﷺ) which caused pleasure (or, by which he was made glad), he prostrated himself in gratitude to Allah
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
Shuaib Al ArnautSahih Lighairihi
Zubair Ali ZaiIsnaad Hasan
In-book reference: 15:298