اَللَّهُمَّ إِنِّي أَعُوذُ بِكَ مِنَ الْمَأْثَمِ وَالْمَغْرَمِ
Transliteration
Allahumma inni a'udhu bika minal-ma'thami wal-maghram
English meaning
O Allah, I seek refuge in You from sin and from being in debt.
When is it recited?
After prayer and in financial difficulty.
Source
Bukhari, Adhan 149