Jami` at-Tirmidhi 677
جامع الترمذي#677SahihIbn Umar narrated that :the Messenger of Allah would order paying the Zakat before going to the Salat on the day of Fitr
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirHasan Sahih
Al-AlbaniHasan Sahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih - Agreed Upon
In-book reference: 7:61