Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī

ذِكْرُ جَوَازِ دُعَاءِ الْمَرْءِ فِي الصَّلَاةِ بِمَا لَيْسَ فِي كِتَابِ اللَّهِ

ibnhibban:1971 – Ibn Khuzaymah > Aḥmad b. ʿAbdah > Ḥammād b. Zayd > ʿAṭāʾ b. al-Sāʾib from his father

[Machine] Indeed, I have prayed with a supplication that I heard from the Messenger of Allah ﷺ .  

ابن حبّان:١٩٧١ – أَخْبَرَنَا ابْنُ خُزَيْمَةَ قَالَ حَدَّثَنَا أَحْمَدُ بْنُ عَبْدَةَ قَالَ حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ عَنْ عَطَاءِ بْنِ السَّائِبِ عَنْ أَبِيهِ قَالَ كُنَّا جُلُوسًا فِي الْمَسْجِدِ فَدَخَلَ عَمَّارُ بْنُ يَاسِرٍ فَصَلَّى صَلَاةً خَفَّفَهَا فَمَرَّ بِنَا فَقِيلَ لَهُ يَا أَبَا الْيَقْظَانِ خَفَّفْتَ الصَّلَاةَ قَالَ أَوَ خَفِيفَةً رَأَيْتُمُوهَا؟ قُلْنَا نَعَمْ قَالَ

أَمَا إِنِّي قَدْ دَعَوْتُ فِيهَا بِدُعَاءٍ قَدْ سَمِعْتُهُ مِنْ رَسُولِ اللَّهِ ﷺ