Sahih Muslim 498
صحيح مسلم#498SahihAbu Zubair heard Jabir b. Abdullah reporting it from the Messenger of Allah (ﷺ):For every apostle was a prayer with which he prayed (to his Lord) for his Ummah, but I have reserved my prayer for the intercession of my Ummah on the Day of Resurrection
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: 1:404