Du'a on Breaking the Fast (also reported)

اللهُم لَكَ صُمْتُ و بِكَ اَمَنتُ و على رِزقِكَ اَفطَرتُ

Allāhumma laka ṣumtu wa bika āmantu wa ʿalā rizqika afṭartu

O Allah, I fasted for You, in You I believe, and with Your provision I break my fast.

Sunan Abī Dāwūd 2358 — Ḍaʿīf (weak chain); the sound wording is 2357 above.