Sahih Muslim 484
صحيح مسلم#484SahihAnas b. Malik reported:The Messenger of Allah (ﷺ) said: Amongst the apostles I would have the largest following on the Day of Resurrec tion, and I would be the first to knock at the door of Paradise
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 1:390