Chosroes gave a gift to the Messenger of Allah ﷺ and he accepted it from him, and Caesar gave a gift to the Messenger of Allah ﷺ and he accepted it from him. The kings gave him gifts and he accepted them from them.
أَهْدَى كِسْرَى لِرَسُولِ اللهِ ﷺ فَقَبِلَ مِنْهُ وَأَهْدَى قَيْصَرُ لِرَسُولِ اللهِ ﷺ فَقَبِلَ مِنْهُ وَأَهْدَتِ الْمُلُوكُ فَقَبِلَ مِنْهُمْ