The Messenger of Allah ﷺ said, "I will be the first to intercede for entry into Paradise."
حدثنا حسين بن علي عن زائدة عن المختار بن فلفل
قال رسول الله ﷺ أنا أول شفيع في الجنة
No references are available.
Its isnad is sahih. Husayn bin Ali bin Walid Jufi is trustworthy and devout, and Zaidah is Ibn Qudama. Muslim narrated the hadith in 1/188, no. 196, in the Book of Faith, in the statement of the Prophet ﷺ, "I am the first of the people." And Darimi in 1/40, no. 50, in the Introduction.