Jami` at-Tirmidhi Book 49, Hadith 9
from his father that the Messenger of Allah (ﷺ) said: "The parable of me and the Prophets is that of a man who built a house, and he built it well, completing it, and beautifying it, but he left a space for one brick. So the people began going around the house amazed at it, saying "If only the space for that brick was filled.' And I am, with regards to the Prophets, in the position of that brick."
And with this chain, from the Prophet (ﷺ) that he said: "Upon the Day of Judgement I will be the leader of the Prophets and their spokesman, and the bearer of their intercession, without bragging."
that the Messenger of Allah (ﷺ) said: "Ask Allah to grant me Al-Wasilah." They said: "O Messenger of Allah! And what is Al-Wasilah?" He said: "The highest level of Paradise. No one will attain it except for one man, and I hope that I am him."
that the Messenger of Allah (ﷺ) said: "If you hear the Muadh-dhin then say as he says. Then send Salat upon me, because whoever sends Salat upon me, Allah will send Salat upon him ten times due to it. Then ask Allah that He gives me Al-Wasilah, because it is a place in Paradise which is not for anyone except for a slave from the slaves of Allah, and I hope that I am him. And whoever asks that I have Al-Wasilah, then (my) intercession will be made lawful for him."