Thawban reported,

The Messenger of Allah ﷺ said, "Who will guarantee me that he will not ask people for anything, and I will guarantee him Paradise?"Thawban said, "I will."So he never asked anyone for anything.

Azami 10121

Sahih

عن ثوبان مولى رسول الله ﷺ قال

قال رسول الله ﷺ: من تكفل لي أن لا يسأل الناس شيئا وأتكفل له بالجنة. فقال ثوبان: أنا، فكان لا يسأل أحدا شيئا.

الأعظمي 10121صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Virtues of the Companions and reports about them
Chapter
Virtues of individual Companions and their reports
Section
Reports of Thawban, the freed slave of the Messenger of Allah ﷺ
Numbering
Jami al-Kamil 10121 (2nd edition)
Azami 10121