Jami` at-Tirmidhi 765
جامع الترمذي#765SahihSahl bin Sa'd narrated that:The Prophet said: "There is a gate in Paradise called Ar-Raiyyan, those who fast shall be invited into it, and whoever was among those who fasted, then he will enter it; and whoever enters it, he will never thirst again
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiIsnaad Hasan
In-book reference: 8:84