the Prophet ﷺ was treated with cupping and he gave him (the cupper) his wages. (Sahih)Ibn Abu 'Umar was alone in narrating it. That was said by Ibn Majah. [1]
أَنَّ النَّبِيَّ ﷺ احْتَجَمَ وَأَعْطَاهُ أَجْرَهُ قَالَ ابْنُ مَاجَهْ تَفَرَّدَ بِهِ ابْنُ أَبِي عُمَرَ وَحْدَهُ