1192 – Abu Hurayrah (may Allah be pleased with him) reported that the Messenger of Allah ﷺ said, “Allah has ninety-nine names; whoever enumerates them will enter Paradise.” Agreed upon.
Al-Tirmidhi and Ibn Ḥibbān went on to list those names, yet sound investigation shows that their enumeration is an insertion (idrāj) by certain transmitters (1).

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• Grade of the hadith:
The core text is found in both Ṣaḥīḥ collections, while the additional wording cited by al-Tirmidhi is interpolated. Ibn Ḥibbān stated that the addition reported by al-Tirmidhi is interpolated, a view shared by Ibn Ḥazm, Abū Bakr ibn al-‘Arabī, Ibn ‘Aṭiyya, Ibn Taymiyyah, Ibn al-Qayyim, Ibn Ḥajar, and others. Al-Ṣan‘ānī said: “The leading ḥadith masters unanimously agree that the enumeration is an insertion from some narrators.”

• Points derived from the hadith:
1 – The compiler—may Allah have mercy on him—cited this hadith to show that the Most Beautiful Names of Allah may be invoked when swearing an oath; one may swear by any of them, and such an oath is binding.
Our jurists say that an oath which incurs expiation when broken is the oath sworn by Allah Himself, by al-Raḥmān (the All-Merciful), al-Raḥīm (the Especially-Merciful), or by one of His attributes—such as the Face of Allah, His Majesty, His Grandeur, or His Might.
Al-Wazīr and others have stated that there is consensus that an oath by Allah is binding when sworn by any of His Most Beautiful Names, such as al-Raḥmān, al-Raḥīm, al-Ḥayy (the Ever-Living), and the like.