The Prophet ﷺ used to be cupped, and he never withheld anyone's wages unjustly.
كان النبي ﷺ يحتجم، ولم يكن يظلم أحدا أجره.
Bukhari narrated it in the Chapter on Hire (2280), and Muslim in the Chapter on Greetings (1577:77), both from the hadith of Masaar, from Amr bin Amir Ansari, who said, "I heard Anas say," and he mentioned it.