The Messenger of Allah ﷺ was cupped while he was fasting.
حدثنا أبو معمر عبد الله بن عمر حدثنا عبد الوارث عن أيوب عن عكرمة
أن رسول الله ﷺ احتجم وهو صائم
No references are available.
Bukhari reported it in Sahih Bukhari, "Medicine," chapter "At what time cupping should be performed," Hadith 5694, from Abu Muamar with this wording.