Chapter: The permissibility of a cupper's earnings
Ibn 'Abbas (Allah be pleased with them) reported: The slave of Banu Bayada cupped Allah's Apostle ( صلی اللہ علیہ وسلم ) and he gave him his wages, and talked to his master and he reduced the charges, and if this earning was unlawful Allah's Apostle ( صلی اللہ علیہ وسلم ) would not have given it.
Authentic